/*
* Copyright ( c ) 2011 , 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 6935022
* @ summary Server VM incorrectly breaks out of while loop
*
* @ run main compiler . c2 . Test6935022
*/
package compiler.c2;
public class Test6935022 {
public static final void main(String[] args) throws Exception {
Test6935022 test = new Test6935022();
int cnt = 0 ;
while (cnt < 10000 ) {
try {
++cnt;
if ((cnt&1023 ) == 0 )
System.out.println("Thread=" +Thread .currentThread().getName() + " iteration: " + cnt);
test.loop(2147483647 , (cnt&1023 ));
}
catch (Exception e) {
System.out.println("Caught on iteration " + cnt);
e.printStackTrace();
System.exit(97 );
}
}
}
private void loop(int endingRow, int mask) throws Exception {
int rows = 1 ;
boolean next = true ;
while (rows <= endingRow && next) {
rows++;
if (rows == mask)
System.out.println("Rows=" +rows+", end=" +endingRow+", next=" +next);
next = next(rows);
}
if (next)
throw new Exception("Ended on rows(no rs): " + rows);
}
private boolean next(int rows) {
return rows < 12 ;
}
}
Messung V0.5 in Prozent C=96 H=89 G=92
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-06-10)
¤
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