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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.// Copyright (C) 2020 devsnek. All rights reserved.// This code is governed by the BSD license found in the LICENSE file.
/*---esid: sec-object-initializer-static-semantics-early-errorsdescription: >  It is a Syntax Error if PropertyNameList of PropertyDefinitionList contains  any duplicate entries for "__proto__" and at least two of those entries were  obtained from productions of the form    PropertyDefinition : PropertyName `:` AssignmentExpression .  This rule is not applied if this PropertyDefinition is contained within a  Script which is being evaluated for JSON.parse (see step 4 of JSON.parse).---*/
var result = JSON.parse('{ "__proto__": 1, "__proto__": 2 }');
assert.sameValue(result.__proto__, 2);