8202095: JFR TestBiasedLockRevocationEvents should cope with multiple events during a single safepoint
Reviewed-by: mgronlun, egahlin
/* * Copyright (c) 2010, 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. *//** * @test * @bug 6930043 * @summary C2: SIGSEGV in javasoft.sqe.tests.lang.arr017.arr01702.arr01702.loop_forw(II)I * * @run main compiler.c2.Test6930043 */package compiler.c2;public class Test6930043 { int[] a; int idx; public int loop_back(int i, int i_0_) { int i_1_ = 0; int[] is = a; if (is == null) return 0; for (int i_2_ = i; i_2_ >= i_0_; i_2_--) i_1_ += is[idx = i_2_]; return i_1_; } public int loop_forw(int start, int end) { int result = 0; int[] is = a; if (is == null) return 0; for (int index = start; index < end; index++) result += is[index]; // result += is[idx = index]; return result; } public static void main(String[] strings) { Test6930043 var_Test6930043 = new Test6930043(); var_Test6930043.a = new int[1000000]; var_Test6930043.loop_forw(10, 999990); var_Test6930043.loop_forw(10, 999990); for (int i = 0; i < 3; i++) { try { if (var_Test6930043.loop_forw(-1, 999990) != 0) throw new InternalError(); } catch (ArrayIndexOutOfBoundsException e) { } } var_Test6930043.loop_back(999990, 10); var_Test6930043.loop_back(999990, 10); for (int i = 0; i < 3; i++) { try { if (var_Test6930043.loop_back(999990, -1) != 0) throw new InternalError(); } catch (ArrayIndexOutOfBoundsException e) { } } }}