error: Expected ';', '}' or <eof>
 --> $DIR/tests/test262-parser/fail/b9b5930aa449a36a.js:1:8
  |
1 | a => {}()
  |        ^
  |
note: This is the expression part of an expression statement
 --> $DIR/tests/test262-parser/fail/b9b5930aa449a36a.js:1:1
  |
1 | a => {}()
  | ^^^^^^^