39 lines
769 B
JavaScript
39 lines
769 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 f() {
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this.x = 1;
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}
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var a = [];
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// Create enough objects to trigger slack tracking.
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for (let i = 0; i < 100; i++) {
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new f();
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}
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function h() {
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// Create a new object and add an out-of-object property 'y'.
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var o = new f();
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o.y = 1.5;
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return o;
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}
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function g(o) {
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// Add more properties so that we trigger extension of out-ot-object
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// property store.
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o.u = 1.1;
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o.v = 1.2;
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o.z = 1.3;
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// Return a field from the out-of-object-property store.
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return o.y;
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}
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g(h());
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g(h());
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%OptimizeFunctionOnNextCall(g);
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assertEquals(1.5, g(h()));
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