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8281811: assert(_base == Tuple) failed: Not a Tuple after JDK-8280799
Reviewed-by: kvn, thartmann
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71 changes: 71 additions & 0 deletions
71
test/hotspot/jtreg/gc/shenandoah/compiler/TestBarrierAboveProj.java
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/* | ||
* Copyright (c) 2022, Red Hat, 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
* or visit www.oracle.com if you need additional information or have any | ||
* questions. | ||
*/ | ||
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/* | ||
* @test | ||
* bug 8281811 | ||
* @summary assert(_base == Tuple) failed: Not a Tuple after JDK-8280799 | ||
* @requires vm.gc.Shenandoah | ||
* @run main/othervm -XX:+UseShenandoahGC -XX:-BackgroundCompilation -XX:LoopMaxUnroll=1 TestBarrierAboveProj | ||
*/ | ||
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public class TestBarrierAboveProj { | ||
private static C objField = new C(); | ||
private static final Object[] arrayField = new Object[1000]; | ||
private static volatile int volatileField; | ||
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public static void main(String[] args) { | ||
for (int i = 0; i < 20_000; i++) { | ||
test1(); | ||
test2(); | ||
} | ||
} | ||
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private static float test1() { | ||
float v = 1; | ||
for (int i = 1; i < 1000; i++) { | ||
if (objField == arrayField[i]) { | ||
return v; | ||
} | ||
v *= 2; | ||
} | ||
return v; | ||
} | ||
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private static float test2() { | ||
float v = 1; | ||
volatileField = 0x42; | ||
for (int i = 1; i < 1000; i++) { | ||
if (objField == arrayField[i]) { | ||
return v; | ||
} | ||
v *= 2; | ||
} | ||
return v; | ||
} | ||
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private static class C { | ||
public float floatField; | ||
} | ||
} |
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