1 /*

     2  * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 /**

    25  * @test

    26  * @bug 6910605

    27  * @summary C2: NullPointerException/ClassCaseException is thrown when C2 with DeoptimizeALot is used

    28  * original test: nsk/coverage/runtime/runtime007

    29  *

    30  * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+DeoptimizeALot -Xbatch compiler.c2.Test6910605_1

    31  */

    32 

    33 package compiler.c2;

    34 

    35 import java.io.PrintStream;

    36 

    37 public class Test6910605_1 {

    38         public static int buf=0;

    39 

    40         public static void main( String argv[] ) {

    41                 System.exit(run(argv, System.out)+95);

    42         }

    43 

    44         public static int run(String argv[],PrintStream out) {

    45                 int ret=0, retx=0, bad=0;

    46 

    47                 for( int i=0; (i < 100000) && (bad < 10) ; i++ ) {

    48                         retx = OptoRuntime_f2i_Type(out);

    49                         ret += retx;

    50                         if( retx !=0 ) {

    51                                 out.println("i="+i);

    52                                 bad++;

    53                         }

    54                 }

    55                 return ret==0 ? 0 : 2 ;

    56         }

    57 

    58         public static int OptoRuntime_f2i_Type(PrintStream out) {

    59                 int c1=2, c2=3, c3=4, c4=5, c5=6;

    60                 int j=0, k=0;

    61                 try {

    62                         int[][] iii=(int[][])(new int[c1][c2]);

    63 

    64                         for( j=0; j<c1; j++ ) {

    65                                 for( k=0; k<c2; k++ ) {

    66                                         iii[j][k]=(int)((float)(j+1)/(float)(k+1));

    67                                 }

    68                         }

    69                 } catch (Throwable e) {

    70                         out.println("Unexpected exception " + e);

    71                         e.printStackTrace(out);

    72                         out.println("j="+j+", k="+k);

    73                         return 1;

    74                 }

    75                 return 0;

    76         }

    77 

    78 }