function test() {

try {
  throw [1,2];
} catch([i,j]) {
  try {
    throw { k: 3, l: 4 };
  } catch({k, l}) {
    return i === 1 && j === 2 && k === 3 && l === 4;
  }
}

}

if (!test())
    throw new Error("Test failed");