REPL not defined var has been declared

[Lellansin]

• Version:v6.2.1
• Platform: mac
• Subsystem:REPL

> let map = new Map({ name:'hello' })
TypeError: (var)[Symbol.iterator] is not a function
    at new Map (native)
    at repl:1:9
    at REPLServer.defaultEval (repl.js:272:27)
    at bound (domain.js:280:14)
    at REPLServer.runBound [as eval] (domain.js:293:12)
    at REPLServer.<anonymous> (repl.js:441:10)
    at emitOne (events.js:101:20)
    at REPLServer.emit (events.js:188:7)
    at REPLServer.Interface._onLine (readline.js:224:10)
    at REPLServer.Interface._line (readline.js:566:8)
> map
ReferenceError: map is not defined
    at repl:1:1
    at REPLServer.defaultEval (repl.js:272:27)
    at bound (domain.js:280:14)
    at REPLServer.runBound [as eval] (domain.js:293:12)
    at REPLServer.<anonymous> (repl.js:441:10)
    at emitOne (events.js:101:20)
    at REPLServer.emit (events.js:188:7)
    at REPLServer.Interface._onLine (readline.js:224:10)
    at REPLServer.Interface._line (readline.js:566:8)
    at REPLServer.Interface._ttyWrite (readline.js:843:14)
> let map = 1
TypeError: Identifier 'map' has already been declared
    at repl:1:1
    at REPLServer.defaultEval (repl.js:272:27)
    at bound (domain.js:280:14)
    at REPLServer.runBound [as eval] (domain.js:293:12)
    at REPLServer.<anonymous> (repl.js:441:10)
    at emitOne (events.js:101:20)
    at REPLServer.emit (events.js:188:7)
    at REPLServer.Interface._onLine (readline.js:224:10)
    at REPLServer.Interface._line (readline.js:566:8)
    at REPLServer.Interface._ttyWrite (readline.js:843:14)
> map = 1
ReferenceError: map is not defined
    at repl:1:3
    at REPLServer.defaultEval (repl.js:272:27)
    at bound (domain.js:280:14)
    at REPLServer.runBound [as eval] (domain.js:293:12)
    at REPLServer.<anonymous> (repl.js:441:10)
    at emitOne (events.js:101:20)
    at REPLServer.emit (events.js:188:7)
    at REPLServer.Interface._onLine (readline.js:224:10)
    at REPLServer.Interface._line (readline.js:566:8)
    at REPLServer.Interface._ttyWrite (readline.js:843:14)

[princejwesley]

Duplicate of #8309

[princejwesley]

Closing it. Feel free to reopen this issue.