var errbacksStringsAsync = Promise.promisify(function(cb){
    setTimeout(function(){
        cb("Where is your stack now?");
    }, 13);
});

errbacksStringsAsync().catch(function(e){
    console.error(e.stack)
});


## Gives good stack:

Error: Where is your stack now?
    at maybeWrapAsError (c:\Users\Petka Antonov\bluebird\js\bluebird_debug.js:148:12)
    at null._onTimeout (c:\Users\Petka Antonov\bluebird\test\mocha\promisify.js:61:9)
    at Timer.listOnTimeout (timers.js:107:15)
From previous event:
    at Context.<anonymous> (c:\Users\Petka Antonov\bluebird\test\mocha\promisify.js:380:13)
    at Test.Runnable.run (c:\Users\Petka Antonov\bluebird\node_modules\mocha\lib\runnable.js:194:15)
    at Runner.runTest (c:\Users\Petka Antonov\bluebird\node_modules\mocha\lib\runner.js:355:10)
    at c:\Users\Petka Antonov\bluebird\node_modules\mocha\lib\runner.js:401:12
    at next (c:\Users\Petka Antonov\bluebird\node_modules\mocha\lib\runner.js:281:14)
    at c:\Users\Petka Antonov\bluebird\node_modules\mocha\lib\runner.js:290:7