x Not a pattern
   ,-[$DIR/tests/test262-parser/fail/ebd282af4fda397d.js:1:1]
 1 | (10, 20) => 0
   :  ^^
   `----

  x Not a pattern
   ,-[$DIR/tests/test262-parser/fail/ebd282af4fda397d.js:1:1]
 1 | (10, 20) => 0
   :      ^^
   `----