fd4f80ce54
PR-URL: https://github.com/nodejs/node/pull/42657 Reviewed-By: Darshan Sen <raisinten@gmail.com> Reviewed-By: Richard Lau <rlau@redhat.com> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Michael Dawson <midawson@redhat.com>
38 lines
977 B
JavaScript
38 lines
977 B
JavaScript
// Copyright 2015 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 Inner() {
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this.property = "OK";
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this.o2 = 1;
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}
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function Outer(inner) {
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this.inner = inner;
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}
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var inner = new Inner();
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var outer = new Outer(inner);
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Outer.prototype.boom = function() {
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return this.inner.property;
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};
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%PrepareFunctionForOptimization(Outer.prototype.boom);
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assertEquals("OK", outer.boom());
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assertEquals("OK", outer.boom());
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%OptimizeFunctionOnNextCall(Outer.prototype.boom);
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assertEquals("OK", outer.boom());
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inner = undefined;
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%SetAllocationTimeout(6 /*interval*/, 2 /*timeout*/);
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// Call something that will do GC while holding a handle to outer's map.
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// The key is that this lets inner's map die while keeping outer's map alive.
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delete outer.inner;
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outer = new Outer({field: 1.51, property: "OK"});
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assertEquals("OK", outer.boom());
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