DeadCode5.java revision 553:9d9f26857129
1183242Ssam/* 2183242Ssam * Copyright (c) 1999, Oracle and/or its affiliates. All rights reserved. 3183242Ssam * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4183242Ssam * 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 4136312 4073244 27 * @summary init: Verify that overzealous dead-code elimination no 28 * longer removes live code. 29 * @author dps 30 * 31 * @run clean DeadCode5 32 * @run compile -O DeadCode5.java 33 * @run main DeadCode5 34 */ 35 36 37// Test for bug 4136312 38 39public class DeadCode5 40{ 41 int fld; 42 43 static public void main(String args[]) { 44 DeadCode5 t = null; 45 try { 46 int dummy = t.fld; 47 // if we got here, then there must be a problem 48 throw new RuntimeException("accidental removal of live code"); 49 } catch (NullPointerException e) { 50 System.out.println("NullPointerException correctly thrown"); 51 e.printStackTrace(); 52 } 53 } 54} 55