deopt-accessors6.js 484 Bytes
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// Copyright 2016 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.

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// Flags: --allow-natives-syntax
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"use strict";

function f(v) {
  %DeoptimizeFunction(test);
  return 153;
}

function test() {
  var o = {};
  var q = "q";
  o.__defineSetter__(q, f);
  assertEquals(1, o[q] = 1);
}

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%PrepareFunctionForOptimization(test);
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test();
test();
%OptimizeFunctionOnNextCall(test);
test();