diff test/compiler/6695810/Test.java @ 163:885ed790ecf0

6695810: null oop passed to encode_heap_oop_not_null Summary: fix several problems in C2 related to Escape Analysis and Compressed Oops. Reviewed-by: never, jrose
author kvn
date Wed, 21 May 2008 10:45:07 -0700
parents
children b0fe4deeb9fb 51ae48d8072f
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/compiler/6695810/Test.java	Wed May 21 10:45:07 2008 -0700
@@ -0,0 +1,56 @@
+/*
+ * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
+ * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ */
+
+/*
+ * @test
+ * @bug 6695810
+ * @summary null oop passed to encode_heap_oop_not_null
+ * @run main/othervm -Xbatch Test
+ */
+
+public class Test {
+    Test _t;
+
+    static void test(Test t1, Test t2) {
+        if (t2 != null)
+            t1._t = t2;
+
+        if (t2 != null)
+            t1._t = t2;
+    }
+
+    public static void main(String[] args) {
+        Test t = new Test();
+        for (int i = 0; i < 50; i++) {
+            for (int j = 0; j < 100; j++) {
+                test(t, t);
+            }
+            test(t, null);
+        }
+        for (int i = 0; i < 10000; i++) {
+            test(t, t);
+        }
+        test(t, null);
+    }
+}