early-errors-class-method-formals-body-duplicate.js (488B)
1 // |reftest| error:SyntaxError 2 // Copyright 2016 Microsoft, Inc. All rights reserved. 3 // This code is governed by the BSD license found in the LICENSE file. 4 5 /*--- 6 author: Brian Terlson <brian.terlson@microsoft.com> 7 esid: pending 8 description: > 9 It is a SyntaxError if BoundNames of FormalParameters also occurs in the LexicallyDeclaredNames of AsyncFunctionBody 10 negative: 11 phase: parse 12 type: SyntaxError 13 ---*/ 14 15 $DONOTEVALUATE(); 16 17 class Foo { 18 async function foo(bar) { let bar; } 19 }