{
  "name throws": (() => {
    // A function whose `name` cannot be read renders under the `/function` tag
    // with the failure in place of the name.
    const f = () => 1;
    Object.defineProperty(f, "name", {
      get() {
        throw new Error("name trap");
      },
    });
    return f;
  })(),
}

--

name throws:
/function(/unconvertible("name trap"))
/function(/unconvertible("name trap"))
{
  "/function": {
    "/unconvertible": "name trap"
  }
}