v8/test/message/fail/param-arrow-redeclaration-as-let.js
Toon Verwaest 704c050a6b [parser] Change how conflicting param and let in body declarations are detected
Now we just check for each variable declared in the parameter scope whether it
occurs as a lexical variable in the body scope. This way the preparser will
also identify them.

Bug: v8:2728, v8:5064
Change-Id: I9fd96590fa431de0656c85295fd31af9b36f2e32
Reviewed-on: https://chromium-review.googlesource.com/c/1384225
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Commit-Queue: Toon Verwaest <verwaest@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58375}
2018-12-19 17:10:57 +00:00

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JavaScript

// Copyright 2018 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
({x}) => {
let x
}