81 lines
2.8 KiB
Java
81 lines
2.8 KiB
Java
/*
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* Copyright (c) 2022, Red Hat, Inc. 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 8279219
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* @summary C2 crash when allocating array of size too large
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* @requires vm.compiler2.enabled
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* @library /test/lib /
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* @build jdk.test.whitebox.WhiteBox
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* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
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* @run main/othervm -ea -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:-BackgroundCompilation TestFailedAllocationBadGraph
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*/
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import jdk.test.whitebox.WhiteBox;
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import java.lang.reflect.Method;
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import compiler.whitebox.CompilerWhiteBoxTest;
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public class TestFailedAllocationBadGraph {
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private static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox();
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private static long[] array;
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private static int field;
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private static volatile int barrier;
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public static void main(String[] args) throws Exception {
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run("test1");
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run("test2");
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}
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private static void run(String method) throws Exception {
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Method m = TestFailedAllocationBadGraph.class.getDeclaredMethod(method);
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WHITE_BOX.enqueueMethodForCompilation(m, CompilerWhiteBoxTest.COMP_LEVEL_FULL_OPTIMIZATION);
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if (!WHITE_BOX.isMethodCompiled(m) || WHITE_BOX.getMethodCompilationLevel(m) != CompilerWhiteBoxTest.COMP_LEVEL_FULL_OPTIMIZATION) {
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throw new RuntimeException("should still be compiled");
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}
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}
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private static int test1() {
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int length = Integer.MAX_VALUE;
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try {
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array = new long[length];
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} catch (OutOfMemoryError outOfMemoryError) {
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barrier = 0x42;
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length = field;
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}
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return length;
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}
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private static int test2() {
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int length = -1;
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try {
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array = new long[length];
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} catch (OutOfMemoryError outOfMemoryError) {
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barrier = 0x42;
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length = field;
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}
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return length;
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}
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}
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