IIFE name is unavailable.

// Demonstrating a point for: http://stackoverflow.com/questions/41814637/javascript-function-definition-explanation/41814751?noredirect=1#comment70848676_41814751
> [zlatko@zlatko-desktop ~]$ node
> function outer() {
... set();
... (function set() {})();
... }
undefined
> outer()
ReferenceError: set is not defined
    at outer (repl:2:1)
    at repl:1:1
    at sigintHandlersWrap (vm.js:22:35)
    at sigintHandlersWrap (vm.js:96:12)
    at ContextifyScript.Script.runInThisContext (vm.js:21:12)
    at REPLServer.defaultEval (repl.js:313:29)
    at bound (domain.js:280:14)
    at REPLServer.runBound [as eval] (domain.js:293:12)
    at REPLServer.<anonymous> (repl.js:513:10)
    at emitOne (events.js:101:20)
> function outer2() {
... (function set() {})();
... set();
... }
undefined
> outer2()
ReferenceError: set is not defined
    at outer2 (repl:3:1)
    at repl:1:1
    at sigintHandlersWrap (vm.js:22:35)
    at sigintHandlersWrap (vm.js:96:12)
    at ContextifyScript.Script.runInThisContext (vm.js:21:12)
    at REPLServer.defaultEval (repl.js:313:29)
    at bound (domain.js:280:14)
    at REPLServer.runBound [as eval] (domain.js:293:12)
    at REPLServer.<anonymous> (repl.js:513:10)
    at emitOne (events.js:101:20)
>