/*
* Copyright ( c ) 2020 , Huawei Technologies Co . , Ltd . 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 8250609
* @ summary C2 crash in IfNode : : fold_compares
*
* @ run main / othervm - XX : CompileOnly = compiler . c2 . TestFoldCompares : : test
* - XX : - BackgroundCompilation compiler . c2 . TestFoldCompares
*/
package compiler.c2;
public class TestFoldCompares {
public int test() {
byte by = -37 ;
int result = 1 ;
int iArr[] = new int [6 ];
for (int i = 0 ; i < iArr.length; i++) {
iArr[i] = 0 ;
}
for (int i = 16 ; i < 308 ; i++) {
result *= i;
if ((result--) <= (++by)) {
continue ;
}
for (int j = 3 ; j < 86 ; j++) {
for (int k = 1 ; k < 2 ; k++) {
result >>= 25 ;
}
for (int k = 1 ; k < 2 ; k += 3 ) {
try {
iArr[k] = (16986 / result);
} catch (ArithmeticException a_e) {
}
result = k;
}
}
}
return result;
}
public static void main(String[] args) {
TestFoldCompares obj = new TestFoldCompares();
for (int i = 0 ; i < 10 ; i++) {
int result = obj.test();
if (result != 1 ) {
throw new RuntimeException("Test failed." );
}
}
System.out.println("Test passed." );
}
}
Messung V0.5 in Prozent C=98 H=66 G=83
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-10-01)
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