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// Copyright 2022 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 --maglev
class A {
foo() {
return 42;
}
};
class B extends A {
bar() {
return super.foo();
}
};
class C {
foo() {
return 24;
}
};
var o = new B();
%PrepareFunctionForOptimization(o.bar);
assertEquals(o.bar(), 42);
%OptimizeMaglevOnNextCall(o.bar);
assertEquals(o.bar(), 42);
assertTrue(isMaglevved(o.bar));
// This should deopt.
o.__proto__.__proto__ = new C();
assertEquals(o.bar(), 24);
assertFalse(isMaglevved(o.bar));
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