73 lines
2.2 KiB
Java
73 lines
2.2 KiB
Java
/*
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* Copyright (c) 2018, 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 8209639
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* @summary assert failure in coalesce.cpp: attempted to spill a non-spillable item
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*
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* @run main/othervm -XX:-BackgroundCompilation -XX:CompileCommand=dontinline,SubsumingLoadsCauseFlagSpill::not_inlined -Xmx1024m SubsumingLoadsCauseFlagSpill
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*
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*/
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public class SubsumingLoadsCauseFlagSpill {
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private static Object field;
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private static boolean do_throw;
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private static volatile boolean barrier;
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public static void main(String[] args) {
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for (int i = 0; i < 20_000; i++) {
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do_throw = true;
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field = null;
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test(0);
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do_throw = false;
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field = new Object();
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test(0);
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}
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}
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private static float test(float f) {
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Object v = null;
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try {
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not_inlined();
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v = field;
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} catch (MyException me) {
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v = field;
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barrier = true;
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}
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if (v == null) {
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return f * f;
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}
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return f;
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}
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private static void not_inlined() throws MyException{
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if (do_throw) {
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throw new MyException();
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}
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}
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private static class MyException extends Throwable {
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}
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}
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