1 /*

     2  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.

     3  * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.

     4  *

     5  *

     6  *

     7  *

     8  *

     9  *

    10  *

    11  *

    12  *

    13  *

    14  *

    15  *

    16  *

    17  *

    18  *

    19  *

    20  *

    21  *

    22  *

    23  */

    24 

    25 /*

    26  * @test

    27  * @bug 6695810

    28  * @summary null oop passed to encode_heap_oop_not_null

    29  * @run main/othervm -Xbatch Test

    30  */

    31 

    32 public class Test {

    33     Test _t;

    34 

    35     static void test(Test t1, Test t2) {

    36         if (t2 != null)

    37             t1._t = t2;

    38 

    39         if (t2 != null)

    40             t1._t = t2;

    41     }

    42 

    43     public static void main(String[] args) {

    44         Test t = new Test();

    45         for (int i = 0; i < 50; i++) {

    46             for (int j = 0; j < 100; j++) {

    47                 test(t, t);

    48             }

    49             test(t, null);

    50         }

    51         for (int i = 0; i < 10000; i++) {

    52             test(t, t);

    53         }

    54         test(t, null);

    55     }

    56 }