text: try { let(x = Date(7), y = let(a = x)("")) {} } catch (e) {}
  
  try {
  with({
      y: Float64Array
  })
  for each(let y in [y]) {}
  } catch (e) {}
  
  try { test(); } catch (e) {}
  function test() {
      try {
          var result, arguments = 'adddb', arguments;
      } catch (ex) {}
  }
  