test262/test/language/module-code/early-dup-top-function.js

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// Copyright 2021 Chengzhong Wu. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 10.2.1
description: >
It is a Syntax Error if the LexicallyDeclaredNames of ModuleItemList
contains any duplicate entries.
At the top level of a Module, function declarations are treated like
lexical declarations rather than like var declarations.
flags: [module]
negative:
phase: parse
type: SyntaxError
---*/
$DONOTEVALUATE();
function x() {
}
async function x() {
}