js/src/tests/test262/language/module-code/early-dup-lex.js


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19

// |reftest| error:SyntaxError module
// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-module-semantics-static-semantics-early-errors
description: >
    It is a Syntax Error if the LexicallyDeclaredNames of ModuleItemList
    contains any duplicate entries.
flags: [module]
features: [let, const]
negative:
  phase: parse
  type: SyntaxError
---*/

$DONOTEVALUATE();

let x;
const x = 0;