diff test/compiler/6795161/Test.java @ 565:7fe62bb75bf4

6799693: Server compiler leads to data corruption when expression throws an Exception Summary: Use merged memory state for an allocation's slow path. Reviewed-by: never
author kvn
date Thu, 05 Feb 2009 14:43:58 -0800
parents
children c18cbe5936b8
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/compiler/6795161/Test.java	Thu Feb 05 14:43:58 2009 -0800
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2009 Sun Microsystems, 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+/*
+ * @test
+ * @bug 6795161
+ * @summary Escape analysis leads to data corruption
+ * @run main/othervm -server -Xcomp -XX:CompileOnly=Test -XX:+DoEscapeAnalysis Test
+ */
+
+class Test_Class_1 {
+    static String var_1;
+
+    static void badFunc(int size)
+    {
+        try {
+          for (int i = 0; i < 1; (new byte[size-i])[0] = 0, i++) {}
+        } catch (Exception e) {
+          // don't comment it out, it will lead to correct results ;)
+          //System.out.println("Got exception: " + e);
+        }
+    }
+}
+
+public class Test {
+    static String var_1_copy = Test_Class_1.var_1;
+
+    static byte var_check;
+
+    public static void main(String[] args)
+    {
+        var_check = 1;
+
+        Test_Class_1.badFunc(-1);
+
+        System.out.println("EATester.var_check = " + Test.var_check + " (expected 1)\n");
+    }
+}
+