await an expression with surrogate characters raises a SyntaxError #39929
Description
Version
16.8.0
Platform
No response
Subsystem
repl
What steps will reproduce the bug?
$ node
Welcome to Node.js v16.8.0.
Type ".help" for more information.
> await '😀😀😀' // or
> await '😀😀😀'; // or
> await '😀😀😀';;How often does it reproduce? Is there a required condition?
All the time, as long as there is a top level await with one or more surrogate chars with a semicolon, or at least 3 surrogate chars.
What is the expected behavior?
> await '😀😀😀'
'😀😀😀'What do you see instead?
> await '😀😀😀'
}))()
^
Uncaught SyntaxError: Unexpected token '}'
> await '😀😀😀';
(async () => { return (await '😀😀😀';
^
Uncaught SyntaxError: Unexpected token ';'
> await '😀😀😀';;
undefinedAdditional information
This is obviously reproducible with a more complex expression (for example await new buffer.Blob(['aaa', Buffer.from('èèee😁😁😁aaa')]).text().