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deps/v8/test/mjsunit/maglev/regress-405452052.js

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+// Copyright 2025 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 C0 {
+}
+class C1 extends C0 {
+}
+
+%PrepareFunctionForOptimization(C1);
+const v10 = {
+  get(a5, a6) {
+      Object.setPrototypeOf(a5, {});
+      return Reflect.get(a5, a6);
+  },
+};
+const v11 = new Proxy(C0, v10);
+%OptimizeMaglevOnNextCall(C1);
+Reflect.construct(C1, [C1,C1], v11);