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-8026292: Megamorphic setter fails with boolean value
  26  *
  27  * @test
  28  * @run
  29  */
  30 
  31 function megamorphic(o) {
  32     o.w = true;
  33     if (!o.w)
  34         throw new Error();
  35 }
  36 
  37 // Calls below must exceed megamorphic callsite threshhold
  38 for (var i = 0; i < 10; i++) {
  39     megamorphic({a: 1});
  40     megamorphic({b: 1});
  41     megamorphic({c: 1});
  42     megamorphic({d: 1});
  43     megamorphic({e: 1});
  44     megamorphic({f: 1});
  45     megamorphic({g: 1});
  46     megamorphic({h: 1});
  47     megamorphic({i: 1});
  48     megamorphic({j: 1});
  49     megamorphic({k: 1});
  50     megamorphic({l: 1});
  51     megamorphic({m: 1});
  52     megamorphic({n: 1});
  53     megamorphic({o: 1});
  54     megamorphic({p: 1});
  55     megamorphic({q: 1});
  56     megamorphic({r: 1});
  57     megamorphic({s: 1});
  58     megamorphic({t: 1});
  59     megamorphic({u: 1});
  60     megamorphic({v: 1});
  61     megamorphic({w: 1});
  62     megamorphic({x: 1});
  63     megamorphic({y: 1});
  64     megamorphic({z: 1});
  65 }