Mercurial > hg > truffle
diff test/compiler/6866651/Test.java @ 927:662f330d7275
6866651: Regression: simple int sum crashes jvm (build 1.6.0_14-b08 and 1.7.0-ea-b59)
Summary: delay dead code elimination in set_req_X to make it safe
Reviewed-by: kvn, never
author | cfang |
---|---|
date | Mon, 17 Aug 2009 12:11:06 -0700 |
parents | |
children | c18cbe5936b8 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/compiler/6866651/Test.java Mon Aug 17 12:11:06 2009 -0700 @@ -0,0 +1,47 @@ +/* + * Copyright 2009 Sun Microsystems, 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + */ + +/** + * @test + * @bug 6866651 + * @summary delay dead node elimination in set_req_X to prevent killing the current node when it is in use + * + * @run main Test + */ + +public class Test { + + static int sum() { + int s = 0; + for (int x = 1, y = 0; x != 0; x++, y--) { + s ^= y; + } + return s; + } + + public static void main(final String[] args) { + for (int k = 0; k < 2; k++) { + System.err.println(String.valueOf(sum())); + } + } +}