v8/test/mjsunit/regress/regress-4521.js

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// Copyright 2015 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --allow-natives-syntax
"use strict";
class B {
foo() { return 23 }
}
class C extends B {
bar() { return super[%DeoptimizeFunction(C.prototype.bar), "foo"]() }
}
assertEquals(23, new C().bar());
assertEquals(23, new C().bar());
%OptimizeFunctionOnNextCall(C.prototype.bar);
assertEquals(23, new C().bar());