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      1 // Copyright 2013 the V8 project authors. All rights reserved.
      2 // Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
      3 //
      4 // Redistribution and use in source and binary forms, with or without
      5 // modification, are permitted provided that the following conditions
      6 // are met:
      7 // 1.  Redistributions of source code must retain the above copyright
      8 //     notice, this list of conditions and the following disclaimer.
      9 // 2.  Redistributions in binary form must reproduce the above copyright
     10 //     notice, this list of conditions and the following disclaimer in the
     11 //     documentation and/or other materials provided with the distribution.
     12 //
     13 // THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
     14 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     15 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     16 // DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     17 // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     18 // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     19 // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
     20 // ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     21 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     22 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     23 
     24 description(
     25 "Checks that the DFG CFA does the right things if it proves that a put_by_id is a simple replace when storing to a specialized function property."
     26 );
     27 
     28 function foo(o, v) {
     29     o.f = v;
     30 }
     31 
     32 // Warm up foo's put_by_id to make it look polymorphic.
     33 for (var i = 0; i < 100; ++i)
     34     foo(i % 2 ? {a: 1} : {b: 2});
     35 
     36 function bar(f) {
     37     foo(this, f);
     38     return this.f();
     39 }
     40 
     41 function baz() {
     42     debug("baz!");
     43     return "baz";
     44 }
     45 
     46 for (var i = 0; i < 100; ++i)
     47     shouldBe("bar.call({f:baz}, baz)", "\"baz\"");
     48 
     49 function fuzz() {
     50     debug("fuzz!");
     51     return "fuzz";
     52 }
     53 
     54 shouldBe("bar.call({f:baz}, fuzz)", "\"fuzz\"");
     55