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8289748: C2 compiled code crashes with SIGFPE with -XX:+StressLCM and…
… -XX:+StressGCM Reviewed-by: thartmann, chagedorn, kvn
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test/hotspot/jtreg/compiler/loopopts/TestRemoveEmptyCountedLoop.java
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/* | ||
* Copyright (c) 2023, 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. | ||
*/ | ||
|
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/** | ||
* @test | ||
* @bug 8289748 | ||
* @summary SIGFPE caused by C2 IdealLoopTree::do_remove_empty_loop | ||
* @key stress randomness | ||
* | ||
* @run main/othervm -XX:-TieredCompilation -Xcomp -XX:+UnlockDiagnosticVMOptions -XX:+StressGCM | ||
* -XX:CompileOnly=compiler.loopopts.TestRemoveEmptyCountedLoop::test* | ||
* compiler.loopopts.TestRemoveEmptyCountedLoop | ||
* @run main/othervm -XX:-TieredCompilation -Xcomp -XX:+UnlockDiagnosticVMOptions -XX:+StressGCM -XX:StressSeed=2160808391 | ||
* -XX:CompileOnly=compiler.loopopts.TestRemoveEmptyCountedLoop::test* | ||
* compiler.loopopts.TestRemoveEmptyCountedLoop | ||
*/ | ||
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package compiler.loopopts; | ||
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public class TestRemoveEmptyCountedLoop { | ||
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public static void test1() { | ||
int k = 3; | ||
for (int i=9; i>0; i--) { | ||
for (int j=2; j<i; j++) { | ||
k = k; | ||
k = (1 % j); | ||
} | ||
} | ||
} | ||
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public static void test2() { | ||
int k = 3; | ||
for (int i=9; i>0; i--) { | ||
int j = 2; | ||
do { | ||
try { | ||
k = k; | ||
k = (1 % j); | ||
} catch (Exception e) {} | ||
} while (++j < i); | ||
} | ||
} | ||
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public static void main(String[] args) { | ||
test1(); | ||
test2(); | ||
System.out.println("Test passed."); | ||
} | ||
} |
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