Upload Kmake

deps/v8/test/mjsunit/regress/regress-390675705.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: --fuzzing --expose-fast-api
+
+const fast_c_api = new d8.test.FastCAPI();
+let ptr = fast_c_api.get_pointer();
+
+class B {
+  constructor() {
+    return ptr;
+  }
+}
+
+class C extends B {
+  #x = 1;
+}
+
+let c = new C();