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8269285: Crash/miscompile in CallGenerator::for_method_handle_inline …
…after JDK-8191998 Backport-of: c16d1fc9810d5b2c112d35f3298513f86f84f66d
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Ilarion Nakonechnyy
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Sep 12, 2022
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test/hotspot/jtreg/compiler/types/TestMethodHandleSpeculation.java
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/* | ||
* Copyright (c) 2021, 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 8269285 | ||
* @summary Crash/miscompile in CallGenerator::for_method_handle_inline after JDK-8191998 | ||
* @requires vm.compMode == "Xmixed" & vm.flavor == "server" | ||
* | ||
* @run main/othervm | ||
* -Xcomp -XX:CompileCommand=quiet -XX:CompileCommand=compileonly,compiler.types.TestMethodHandleSpeculation::main | ||
* compiler.types.TestMethodHandleSpeculation | ||
*/ | ||
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package compiler.types; | ||
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import java.io.Serializable; | ||
import java.util.Arrays; | ||
import java.util.function.Supplier; | ||
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public class TestMethodHandleSpeculation { | ||
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public static void main(String... args) { | ||
byte[] serObj = {1}; | ||
MyClass<byte[]> obj = new MyClass<>(); | ||
for (int i = 0; i < 100_000; i++) { | ||
boolean test = obj.test(serObj); | ||
if (test) { | ||
throw new IllegalStateException("Cannot be null"); | ||
} | ||
} | ||
} | ||
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static class MyClass<V extends Serializable> { | ||
boolean test(V obj) { | ||
Supplier<Boolean> supp = () -> (obj == null); | ||
return supp.get(); | ||
} | ||
} | ||
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} |
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