jdk-sandbox: hotspot/test/compiler/6695810/Test.java@7fb3b13d4205 (annotated)

589 a44a1e70a3e4 6695810: null oop passed to encode_heap_oop_not_null kvn parents: diff changeset	1	/*
961 7fb3b13d4205 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 589 diff changeset	2	* Copyright 2008 Sun Microsystems, Inc. All Rights Reserved.
7fb3b13d4205 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 589 diff changeset	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
589 a44a1e70a3e4 6695810: null oop passed to encode_heap_oop_not_null kvn parents: diff changeset	4	*
961 7fb3b13d4205 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 589 diff changeset	5	* This code is free software; you can redistribute it and/or modify it
7fb3b13d4205 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 589 diff changeset	6	* under the terms of the GNU General Public License version 2 only, as
7fb3b13d4205 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 589 diff changeset	7	* published by the Free Software Foundation.
589 a44a1e70a3e4 6695810: null oop passed to encode_heap_oop_not_null kvn parents: diff changeset	8	*
961 7fb3b13d4205 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 589 diff changeset	9	* This code is distributed in the hope that it will be useful, but WITHOUT
7fb3b13d4205 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 589 diff changeset	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
7fb3b13d4205 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 589 diff changeset	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
7fb3b13d4205 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 589 diff changeset	12	* version 2 for more details (a copy is included in the LICENSE file that
7fb3b13d4205 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 589 diff changeset	13	* accompanied this code).
589 a44a1e70a3e4 6695810: null oop passed to encode_heap_oop_not_null kvn parents: diff changeset	14	*
961 7fb3b13d4205 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 589 diff changeset	15	* You should have received a copy of the GNU General Public License version
7fb3b13d4205 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 589 diff changeset	16	* 2 along with this work; if not, write to the Free Software Foundation,
7fb3b13d4205 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 589 diff changeset	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
589 a44a1e70a3e4 6695810: null oop passed to encode_heap_oop_not_null kvn parents: diff changeset	18	*
961 7fb3b13d4205 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 589 diff changeset	19	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
7fb3b13d4205 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 589 diff changeset	20	* CA 95054 USA or visit www.sun.com if you need additional information or
7fb3b13d4205 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 589 diff changeset	21	* have any questions.
589 a44a1e70a3e4 6695810: null oop passed to encode_heap_oop_not_null kvn parents: diff changeset	22	*
a44a1e70a3e4 6695810: null oop passed to encode_heap_oop_not_null kvn parents: diff changeset	23	*/
a44a1e70a3e4 6695810: null oop passed to encode_heap_oop_not_null kvn parents: diff changeset	24
a44a1e70a3e4 6695810: null oop passed to encode_heap_oop_not_null kvn parents: diff changeset	25	/*
a44a1e70a3e4 6695810: null oop passed to encode_heap_oop_not_null kvn parents: diff changeset	26	* @test
a44a1e70a3e4 6695810: null oop passed to encode_heap_oop_not_null kvn parents: diff changeset	27	* @bug 6695810
a44a1e70a3e4 6695810: null oop passed to encode_heap_oop_not_null kvn parents: diff changeset	28	* @summary null oop passed to encode_heap_oop_not_null
a44a1e70a3e4 6695810: null oop passed to encode_heap_oop_not_null kvn parents: diff changeset	29	* @run main/othervm -Xbatch Test
a44a1e70a3e4 6695810: null oop passed to encode_heap_oop_not_null kvn parents: diff changeset	30	*/
a44a1e70a3e4 6695810: null oop passed to encode_heap_oop_not_null kvn parents: diff changeset	31
a44a1e70a3e4 6695810: null oop passed to encode_heap_oop_not_null kvn parents: diff changeset	32	public class Test {
a44a1e70a3e4 6695810: null oop passed to encode_heap_oop_not_null kvn parents: diff changeset	33	Test _t;
a44a1e70a3e4 6695810: null oop passed to encode_heap_oop_not_null kvn parents: diff changeset	34
a44a1e70a3e4 6695810: null oop passed to encode_heap_oop_not_null kvn parents: diff changeset	35	static void test(Test t1, Test t2) {
a44a1e70a3e4 6695810: null oop passed to encode_heap_oop_not_null kvn parents: diff changeset	36	if (t2 != null)
a44a1e70a3e4 6695810: null oop passed to encode_heap_oop_not_null kvn parents: diff changeset	37	t1._t = t2;
a44a1e70a3e4 6695810: null oop passed to encode_heap_oop_not_null kvn parents: diff changeset	38
a44a1e70a3e4 6695810: null oop passed to encode_heap_oop_not_null kvn parents: diff changeset	39	if (t2 != null)
a44a1e70a3e4 6695810: null oop passed to encode_heap_oop_not_null kvn parents: diff changeset	40	t1._t = t2;
a44a1e70a3e4 6695810: null oop passed to encode_heap_oop_not_null kvn parents: diff changeset	41	}
a44a1e70a3e4 6695810: null oop passed to encode_heap_oop_not_null kvn parents: diff changeset	42
a44a1e70a3e4 6695810: null oop passed to encode_heap_oop_not_null kvn parents: diff changeset	43	public static void main(String[] args) {
a44a1e70a3e4 6695810: null oop passed to encode_heap_oop_not_null kvn parents: diff changeset	44	Test t = new Test();
a44a1e70a3e4 6695810: null oop passed to encode_heap_oop_not_null kvn parents: diff changeset	45	for (int i = 0; i < 50; i++) {
a44a1e70a3e4 6695810: null oop passed to encode_heap_oop_not_null kvn parents: diff changeset	46	for (int j = 0; j < 100; j++) {
a44a1e70a3e4 6695810: null oop passed to encode_heap_oop_not_null kvn parents: diff changeset	47	test(t, t);
a44a1e70a3e4 6695810: null oop passed to encode_heap_oop_not_null kvn parents: diff changeset	48	}
a44a1e70a3e4 6695810: null oop passed to encode_heap_oop_not_null kvn parents: diff changeset	49	test(t, null);
a44a1e70a3e4 6695810: null oop passed to encode_heap_oop_not_null kvn parents: diff changeset	50	}
a44a1e70a3e4 6695810: null oop passed to encode_heap_oop_not_null kvn parents: diff changeset	51	for (int i = 0; i < 10000; i++) {
a44a1e70a3e4 6695810: null oop passed to encode_heap_oop_not_null kvn parents: diff changeset	52	test(t, t);
a44a1e70a3e4 6695810: null oop passed to encode_heap_oop_not_null kvn parents: diff changeset	53	}
a44a1e70a3e4 6695810: null oop passed to encode_heap_oop_not_null kvn parents: diff changeset	54	test(t, null);
a44a1e70a3e4 6695810: null oop passed to encode_heap_oop_not_null kvn parents: diff changeset	55	}
a44a1e70a3e4 6695810: null oop passed to encode_heap_oop_not_null kvn parents: diff changeset	56	}

author	kvn
	Mon, 28 Jul 2008 17:12:52 -0700
changeset 961	7fb3b13d4205
parent 589	a44a1e70a3e4
child 996	7565d0510bb6
permissions	-rw-r--r--