func-name-inferrer-arg-1.out

*%(basename)s:5: Error: boom
(function (param = function() { throw new Error('boom') }) {
                                ^
Error: boom
    at param (*%(basename)s:5:39)
    at *%(basename)s:7:5
    at *%(basename)s:8:5
    at *%(basename)s:10:3