error: Expected ';', '}' or <eof>
 --> $DIR/tests/test262-parser/fail/48c7f50c23d3cbc0.js:1:8
  |
1 | a: let a
  |        ^
  |
note: This is the expression part of an expression statement
 --> $DIR/tests/test262-parser/fail/48c7f50c23d3cbc0.js:1:4
  |
1 | a: let a
  |    ^^^