v8/test/mjsunit/maglev/regress/regress-1363450.js

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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
class C extends (class {}) {
constructor() {
var f = () => {
try { C.__proto__ = null; } catch {}
try { super(); } catch {}
};
%PrepareFunctionForOptimization(f);
f();
%OptimizeMaglevOnNextCall(f);
}
}
try { new C(); } catch {}
// The next 2 calls deopt before reaching relevant bits.
try { new C(); } catch {}
try { new C(); } catch {}
try { new C(); } catch {}