x Bad character escape sequence, expected 4 hex characters
   ,-[$DIR/tests/test262-parser/fail/575367951ac8635d.js:1:1]
 1 | ('\u')
   :   ^^
   `----

  x Unterminated string constant
   ,-[$DIR/tests/test262-parser/fail/575367951ac8635d.js:1:1]
 1 | ('\u')
   :     ^^
   `----