31a3cfbc10
BUG=v8:8801 Change-Id: I9d9d9824c6c9ad0176bbfd3723da1b578b17c256 Reviewed-on: https://chromium-review.googlesource.com/c/1495555 Commit-Queue: Ross McIlroy <rmcilroy@chromium.org> Reviewed-by: Mythri Alle <mythria@chromium.org> Cr-Commit-Position: refs/heads/master@{#60001}
30 lines
606 B
JavaScript
30 lines
606 B
JavaScript
// Copyright 2016 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --allow-natives-syntax
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var o = {v:1};
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var deopt = false;
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Object.defineProperty(o, "x", {
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get: function() { return this.v; },
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set: function(v) {
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this.v = v;
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if (deopt) {
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%DeoptimizeFunction(foo);
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}
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}
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});
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function foo(o) {
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return o.x++;
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}
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%PrepareFunctionForOptimization(foo);
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assertEquals(1, foo(o));
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assertEquals(2, foo(o));
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%OptimizeFunctionOnNextCall(foo);
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deopt = true;
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assertEquals(3, foo(o));
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