v8/test/mjsunit/deopt-global-accessor.js

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// Copyright 2014 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --allow-natives-syntax
x = 1;
x = 2;
x = 3;
function f() {
return x;
}
f();
f();
f();
%OptimizeFunctionOnNextCall(f);
f();
Object.defineProperty(this, "x", {get:function() { return 100; }});
assertEquals(100, f());