v8/test/mjsunit/compiler/regress-crbug-1201082.js

// Copyright 2021 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: --turbo-fast-api-calls --expose-fast-api

const fast_c_api = new d8.test.FastCAPI();
function foo(obj) {
  return fast_c_api.is_fast_c_api_object(false, obj);
}
foo(1);