duke@1: /*
ohair@554:  * Copyright (c) 1999, Oracle and/or its affiliates. All rights reserved.
duke@1:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@1:  *
duke@1:  * This code is free software; you can redistribute it and/or modify it
duke@1:  * under the terms of the GNU General Public License version 2 only, as
duke@1:  * published by the Free Software Foundation.
duke@1:  *
duke@1:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@1:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@1:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@1:  * version 2 for more details (a copy is included in the LICENSE file that
duke@1:  * accompanied this code).
duke@1:  *
duke@1:  * You should have received a copy of the GNU General Public License version
duke@1:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@1:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@1:  *
ohair@554:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@554:  * or visit www.oracle.com if you need additional information or have any
ohair@554:  * questions.
duke@1:  */
duke@1: 
duke@1: /*
duke@1:  * @test
duke@1:  * @bug 4099995 4118025
duke@1:  * @summary Bad optimization of "switch" statement
duke@1:  * @author dps
duke@1:  *
duke@1:  * @run clean Switch2
duke@1:  * @run compile -O Switch2.java
duke@1:  * @run main Switch2
duke@1:  */
duke@1: 
duke@1: public class Switch2
duke@1: {
duke@1:     private boolean isZero( int d ) {
duke@1:         switch (d) {
duke@1:         case 0:
duke@1:             return true;
duke@1:         default:
duke@1:             return false;
duke@1:         }
duke@1:     }
duke@1: 
duke@1:     void useSecondArgument( String a, int b ) {
duke@1:         if ( !isZero( b ) )
duke@1:             throw new RuntimeException("isZero(0) returns false?!");
duke@1:     }
duke@1: 
duke@1:     public static void main( String[] args ) {
duke@1:         Switch2 object = new Switch2();
duke@1:         object.useSecondArgument( "42", 0 );
duke@1:     }
duke@1: }