1 /* 2 * Copyright (c) 2010, 2013, 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 * JDK-8043235: Type-based optimizations interfere with continuation methods 26 * 27 * @test 28 * @run 29 */ 30 31 function g() { 32 return "Hello World!" 33 } 34 35 function f1() { 36 var c; 37 var paused = false; 38 // If we didn't disable nullCheck specialization for expressions 39 // containing a deoptimization site, we'd get an AssertionError 40 while (!paused && (null !== (c = g()))) { 41 print(c); 42 paused = true; 43 } 44 } 45 46 function f2() { 47 var c; 48 var paused = false; 49 // If we didn't disable undefinedCheck specialization for expressions 50 // containing a deoptimization site, we'd get an AssertionError 51 while (!paused && (undefined !== (c = g()))) { 52 print(c); 53 paused = true; 54 } 55 } 56 57 f1(); 58 f2();