--- /dev/null 2016-09-20 07:49:30.583048005 -0700 +++ new/test/compiler/loopopts/TestImpossibleIV.java 2016-09-26 14:49:26.478554349 -0700 @@ -0,0 +1,51 @@ +/* + * Copyright 2016 Google, Inc. 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 8166742 + * @summary C2 IV elimination throws FPE + * @run main/othervm -XX:-TieredCompilation -XX:-BackgroundCompilation TestImpossibleIV + * @author Chuck Rasbold rasbold@google.com + */ + +/* + * Use -XX:-TieredCompilation to get C2 only. + * Use -XX:-BackgroundCompilation to wait for compilation before test exit. + */ + +public class TestImpossibleIV { + + static private void testMethod() { + int sum = 0; + // A unit count-down loop which has an induction variable with + // MIN_VALUE stride. + for (int i = 100000; i >= 0; i--) { + sum += Integer.MIN_VALUE; + } + } + + public static void main(String[] args) { + testMethod(); + } +}