jdk-24/test/hotspot/jtreg/compiler/loopopts/InfiniteLoopBadControlNeverBranch.java
Roland Westrelin 0ddf54e222 8335709: C2: assert(!loop->is_member(get_loop(useblock))) failed: must be outside loop
Co-authored-by: Emanuel Peter <epeter@openjdk.org>
Reviewed-by: epeter, thartmann
2024-07-19 07:30:23 +00:00

58 lines
1.8 KiB
Java

/*
* Copyright (c) 2024, Oracle and/or its affiliates. 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.
*
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*/
/*
* @test
* @bug 8335709
* @summary C2: assert(!loop->is_member(get_loop(useblock))) failed: must be outside loop
* @library /test/lib
* @run main/othervm -Xcomp -XX:CompileCommand=compileonly,InfiniteLoopBadControlNeverBranch::* InfiniteLoopBadControlNeverBranch
*
*/
import jdk.test.lib.Utils;
public class InfiniteLoopBadControlNeverBranch {
static int b;
static short c;
public static void main(String[] args) throws InterruptedException {
Thread thread = new Thread(() -> test());
thread.setDaemon(true);
thread.start();
Thread.sleep(Utils.adjustTimeout(4000));
}
static void test() {
int i = 0;
while (true) {
if (i > 1) {
b = 0;
}
c = (short) (b * 7);
i++;
}
}
}