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test/compiler/6539464/Test.java@dbb05f6d93c4 (annotated)

test/compiler/6539464/Test.java

Mon, 28 Jul 2014 15:06:38 -0700

author

fzhinkin

date

Mon, 28 Jul 2014 15:06:38 -0700

changeset 6997

dbb05f6d93c4

parent 1907

c18cbe5936b8

child 6876

710a3c8b516e

permissions

-rw-r--r--

8051344: JVM crashed in Compile::start() during method parsing w/ UseRTMDeopt turned on
Summary: call rtm_deopt() only if there were no compilation bailouts before.
Reviewed-by: kvn

never@1141	1	/*
trims@1907	2	* Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
never@1141	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
never@1141	4	*
never@1141	5	* This code is free software; you can redistribute it and/or modify it
never@1141	6	* under the terms of the GNU General Public License version 2 only, as
never@1141	7	* published by the Free Software Foundation.
never@1141	8	*
never@1141	9	* This code is distributed in the hope that it will be useful, but WITHOUT
never@1141	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
never@1141	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
never@1141	12	* version 2 for more details (a copy is included in the LICENSE file that
never@1141	13	* accompanied this code).
never@1141	14	*
never@1141	15	* You should have received a copy of the GNU General Public License version
never@1141	16	* 2 along with this work; if not, write to the Free Software Foundation,
never@1141	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
never@1141	18	*
trims@1907	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	20	* or visit www.oracle.com if you need additional information or have any
trims@1907	21	* questions.
never@1141	22	*/
never@1141	23
never@1141	24	/**
never@1141	25	* @test
never@1141	26	* @bug 6539464
never@1141	27	* @summary Math.log() produces inconsistent results between successive runs.
never@1141	28	*
never@1141	29	* @run main/othervm -Xcomp -XX:CompileOnly=Test.main Test
never@1141	30	*/
never@1141	31
never@1141	32	public class Test {
never@1141	33	static double log_value = 17197;
never@1141	34	static double log_result = Math.log(log_value);
never@1141	35
never@1141	36	public static void main(String[] args) throws Exception {
never@1141	37	for (int i = 0; i < 1000000; i++) {
never@1141	38	double log_result2 = Math.log(log_value);
never@1141	39	if (log_result2 != log_result) {
never@1141	40	throw new InternalError("Math.log produces inconsistent results: " + log_result2 + " != " + log_result);
never@1141	41	}
never@1141	42	}
never@1141	43	}
never@1141	44	}