28 lines
603 B
JavaScript
28 lines
603 B
JavaScript
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// Copyright 2017 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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function C() { }
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function f(b) {
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var o = new C();
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// Create out-of-object properties only on one branch so that escape
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// analysis does not analyze the property array away.
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if (b) o.t = 1.1;
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%_DeoptimizeNow();
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return o.t;
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}
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// Finish slack tracking for C.
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for (var i = 0; i < 1000; i++) new C();
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f(true);
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f(true);
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f(false);
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%OptimizeFunctionOnNextCall(f);
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assertEquals(1.1, f(true));
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