// |reftest| shell-option(--enable-explicit-resource-management) skip-if(!(this.hasOwnProperty('getBuildConfiguration')&&getBuildConfiguration('explicit-resource-management'))||!xulRuntime.shell) error:SyntaxError -- explicit-resource-management is not enabled unconditionally, requires shell-options// Copyright (C) 2023 Ron Buckton. All rights reserved.// This code is governed by the BSD license found in the LICENSE file./*---description: The body may not re-declare variables declared in the headnegative: phase: parse type: SyntaxErrorinfo: | It is a Syntax Error if any element of the BoundNames of ForDeclaration also occurs in the VarDeclaredNames of Statement.esid: sec-for-in-and-for-of-statementsfeatures: [explicit-resource-management]---*/$DONOTEVALUATE();for(usingxof[]){varx;}