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64 lines
2.1 KiB
Java
64 lines
2.1 KiB
Java
/*
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* Copyright (c) 2026, 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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package compiler.igvn;
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/**
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* @test
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* @bug 8375618
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* @summary A CastLLNode may change only a bit of its input, which triggers the incorrect assertion
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* that the signed range must changes
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* @run main/othervm -XX:-TieredCompilation -Xbatch ${test.main.class}
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* @run main ${test.main.class}
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*/
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public class CastLLBits {
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static long instanceCount;
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public static void main(String[] args) {
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for (int i = 0; i < 2000; i++) {
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test();
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}
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}
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static void test() {
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int i, i1 = 6, i9, i10, i11, i12;
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boolean b = false;
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for (i = 25; i > 5; i--) {
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i9 = 1;
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do {
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i1 += 0;
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for (i10 = 1; i10 < 3; ++i10) {
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instanceCount = i9;
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}
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i12 = 3;
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while (--i12 > 0) {
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i11 = (int) instanceCount;
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i1 = i11;
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if (b) {};
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instanceCount &= 21;
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}
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i9++;
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} while (i9 < 9);
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}
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}
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}
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