x Expected ';', '}' or <eof>
   ,-[$DIR/tests/test262-parser/fail/48c7f50c23d3cbc0.js:1:1]
 1 | a: let a
   :        ^
   `----

Error: 
  > This is the expression part of an expression statement
   ,-[$DIR/tests/test262-parser/fail/48c7f50c23d3cbc0.js:1:1]
 1 | a: let a
   :    ^^^
   `----