Source code
Revision control
Copy as Markdown
Other Tools
// |reftest| error:SyntaxError
// Copyright (C) 2017 André Bargull. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-for-in-and-for-of-statements
description: >
ExpressionStatement has a lookahead restriction for `let [`.
info: |
ExpressionStatement[Yield, Await] :
[lookahead ∉ { {, function, async [no LineTerminator here] function, class, let [ }]
Expression[+In, ?Yield, ?Await] ;
negative:
phase: parse
type: SyntaxError
flags: [noStrict]
features: [async-iteration]
---*/
$DONOTEVALUATE();
async function* f() {
for await (var x of []) let
[a] = 0;
}