test262/test/language/statements/switch/early-lex-dup.js

23 lines
552 B
JavaScript

// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-switch-statement-static-semantics-early-errors
es6id: 13.12.1
description: Syntax error from duplicate lexical variables
info: >
It is a Syntax Error if the LexicallyDeclaredNames of CaseBlock contains any
duplicate entries.
negative:
phase: early
type: SyntaxError
features: [let, const]
---*/
switch (0) {
case 1:
let test262id;
break;
default:
const test262id = null;
}