1 files changed, 23 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/regress/regress-crbug-1408310.js b/deps/v8/test/mjsunit/regress/regress-crbug-1408310.js
new file mode 100644
index 0000000000..c3f4ca5fb3
--- /dev/null
+++ b/deps/v8/test/mjsunit/regress/regress-crbug-1408310.js
@@ -0,0 +1,23 @@
+// Copyright 2023 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: --always-turbofan
+
+Object.defineProperty(Object.prototype, "test", {});
+
+class Base {
+  constructor() {
+    return new Proxy(this, {
+      defineProperty(target, key) {
+        return true;
+      }
+    });
+  }
+}
+let key = "test";
+class Child extends Base {
+  [key] = "basic";
+}
+let c = new Child();
+c = new Child();