error: Expected ';', '}' or <eof>
 --> $DIR/tests/test262-parser/fail/c473ffb7c354496e.js:1:7
  |
1 | { set 1 }
  |       ^
  |
note: This is the expression part of an expression statement
 --> $DIR/tests/test262-parser/fail/c473ffb7c354496e.js:1:3
  |
1 | { set 1 }
  |   ^^^