42 lines
1.3 KiB
JavaScript
42 lines
1.3 KiB
JavaScript
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// 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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(function TestDeoptInNamedSuperGetter() {
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class C { m() { return 23 } }
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class D extends C { f() { return super.boom() } }
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var should_deoptimize_caller = false;
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Object.defineProperty(C.prototype, "boom", { get: function() {
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if (should_deoptimize_caller) %DeoptimizeFunction(D.prototype.f);
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return this.m
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}})
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assertEquals(23, new D().f());
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assertEquals(23, new D().f());
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%OptimizeFunctionOnNextCall(D.prototype.f);
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assertEquals(23, new D().f());
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should_deoptimize_caller = true;
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assertEquals(23, new D().f());
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})();
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(function TestDeoptInKeyedSuperGetter() {
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class C { m() { return 23 } }
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class D extends C { f(name) { return super[name]() } }
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var should_deoptimize_caller = false;
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Object.defineProperty(C.prototype, "boom", { get: function() {
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if (should_deoptimize_caller) %DeoptimizeFunction(D.prototype.f);
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return this.m
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}})
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assertEquals(23, new D().f("boom"));
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assertEquals(23, new D().f("boom"));
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%OptimizeFunctionOnNextCall(D.prototype.f);
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assertEquals(23, new D().f("boom"));
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should_deoptimize_caller = true;
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assertEquals(23, new D().f("boom"));
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})();
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