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();