71 lines
2.4 KiB
Java
71 lines
2.4 KiB
Java
/*
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* Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* @test
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* @bug 8289748
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* @summary SIGFPE caused by C2 IdealLoopTree::do_remove_empty_loop
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* @key stress randomness
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*
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* @run main/othervm -XX:-TieredCompilation -Xcomp -XX:+UnlockDiagnosticVMOptions -XX:+StressGCM
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* -XX:CompileCommand=compileonly,compiler.loopopts.TestRemoveEmptyCountedLoop::test*
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* compiler.loopopts.TestRemoveEmptyCountedLoop
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* @run main/othervm -XX:-TieredCompilation -Xcomp -XX:+UnlockDiagnosticVMOptions -XX:+StressGCM -XX:StressSeed=2160808391
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* -XX:CompileCommand=compileonly,compiler.loopopts.TestRemoveEmptyCountedLoop::test*
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* compiler.loopopts.TestRemoveEmptyCountedLoop
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*/
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package compiler.loopopts;
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public class TestRemoveEmptyCountedLoop {
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public static void test1() {
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int k = 3;
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for (int i=9; i>0; i--) {
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for (int j=2; j<i; j++) {
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k = k;
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k = (1 % j);
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}
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}
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}
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public static void test2() {
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int k = 3;
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for (int i=9; i>0; i--) {
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int j = 2;
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do {
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try {
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k = k;
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k = (1 % j);
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} catch (Exception e) {}
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} while (++j < i);
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}
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}
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public static void main(String[] args) {
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test1();
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test2();
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System.out.println("Test passed.");
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}
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}
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