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  * Regression test for erroneous shortcut optimization for object null checks
  26  *
  27  * @test
  28  * @run
  29  */
  30 
  31 function toto() {
  32     var friends = 1;
  33     (joe = friends) == null;
  34 }
  35 
  36 //JDK-8019476 duplicate case of this
  37 Function("with(\nnull == (this % {}))( /x/g );");
  38 
  39 function f() {
  40     with(null == (this % {}))(/x/g);
  41 }
  42 
  43 Function("return (null != [,,] <= this);");
  44 
  45 function f2() {
  46     return (null != [,,] <= this);
  47 }
  48 
  49 Function("/*infloop*/L:for(var x; ([+(function (window)[,,])(function(q) { return q; }, -0)].some(new Function)); [11,12,13,14].some) {/*infloop*/do {;return this; } while(x); }");
  50 
  51 function f3() {
  52     /*infloop*/L:for(var x; ([+(function (window)[,,])(function(q) { return q; }, -0)].some(new Function)); [11,12,13,14].some) {/*infloop*/do {;return this; } while(x); }
  53 }
  54