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8281117: Add regression test for JDK-8280587

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Reviewed-by: chagedorn, thartmann, xliu
This commit is contained in:
Emanuel Peter 2022-02-07 08:18:07 +00:00 committed by Tobias Hartmann
parent f2302822c0
commit f5e0870091
1 changed files with 54 additions and 0 deletions
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54
test/hotspot/jtreg/compiler/loopopts/TestCastIIMakesMainLoopPhiDead2.java Normal file
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/*
* Copyright (c) 2022, 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.
*
* 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.
*/
/*
* @test
* bug 8280600
* @summary C2: assert(!had_error) failed: bad dominance
* @run main/othervm -Xcomp -XX:CompileOnly=TestCastIIMakesMainLoopPhiDead2 TestCastIIMakesMainLoopPhiDead2
*/
public class TestCastIIMakesMainLoopPhiDead2 {
static int zero = 0;
public static void main(String[] args) {
for (int i = 0; i < 100000; i++) {
test();
}
}
static void test() {
int h[] = new int[zero];
for (int m = 0; m < 5; m++) {
try {
for (int f = -400; f < 1; f++) {
h[f] = 1; // Out of bounds store.
}
} catch (ArrayIndexOutOfBoundsException i) {
// Expected
}
}
}
}