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 /** 26 * @test 27 * @bug 6910605 28 * @summary C2: NullPointerException/ClassCaseException is thrown when C2 with DeoptimizeALot is used 29 * 30 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+DeoptimizeALot -Xbatch Test 31 * 32 * original test: nsk/coverage/runtime/runtime007 33 */ 34 35 import java.io.*; 36 37 public class Test { 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 }