gistfile1.txt

try { 
    (function ThisIsFunctionName() {
        throw new Error()
    })() 
} catch(x) {
    console.log(x.stack)
}

Error
    at ThisIsFunctionName (unknown source)
    at unknown source
    at Object._evaluateOn (unknown source)
    at Object._evaluateAndWrap (unknown source)
    at Object.evaluate (unknown source)
undefined