test/compiler/6910605/Test.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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/**
 * @test
 * @bug 6910605
 * @summary C2: NullPointerException/ClassCaseException is thrown when C2 with DeoptimizeALot is used
 *
 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+DeoptimizeALot -Xbatch Test
 *
 * original test: nsk/coverage/runtime/runtime007
 */

import java.io.*;

public class Test {
        public static int buf=0;

        public static void main( String argv[] ) {
                System.exit(run(argv, System.out)+95);
        }

        public static int run(String argv[],PrintStream out) {
                int ret=0, retx=0, bad=0;

                for( int i=0; (i < 100000) && (bad < 10) ; i++ ) {
                        retx = OptoRuntime_f2i_Type(out);
                        ret += retx;
                        if( retx !=0 ) {
                                out.println("i="+i);
                                bad++;
                        }
                }
                return ret==0 ? 0 : 2 ;
        }

        public static int OptoRuntime_f2i_Type(PrintStream out) {
                int c1=2, c2=3, c3=4, c4=5, c5=6;
                int j=0, k=0;
                try {
                        int[][] iii=(int[][])(new int[c1][c2]);

                        for( j=0; j<c1; j++ ) {
                                for( k=0; k<c2; k++ ) {
                                        iii[j][k]=(int)((float)(j+1)/(float)(k+1));
                                }
                        }
                } catch (Throwable e) {
                        out.println("Unexpected exception " + e);
                        e.printStackTrace(out);
                        out.println("j="+j+", k="+k);
                        return 1;
                }
                return 0;
        }

}