UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2705.0 Safari/537.36

Example URL:

Steps to reproduce the problem:
1. Run JS that uses repeated comma (,) operator, e.g. 

<script>
var s = '1';
for (var i = 0; i < 10000; i++) {
  s += ',a[' + i + '] = "' + i + '"';
}
var fn = new Function('a', s);
fn({});
</script>

What is the expected behavior?
No failure when run

What went wrong?
Failed with "Maximum call stack size exceeded"

Does it occur on multiple sites: Yes

Is it a problem with a plugin? No 

Did this work before? N/A 

Does this work in other browsers? N/A 

Chrome version: 52.0.2705.0  Channel: canary
OS Version: OS X 10.11.3
Flash Version: Shockwave Flash 21.0 r0

This kind of code is likely to be produced by Uglify (with `{compress: {sequence: true}}` default option)

Multiple reports at:
- http://stackoverflow.com/questions/36540566/warning-error-during-font-loading-maximum-call-stack-size-exceeded-error-with
- https://github.com/mozilla/pdf.js/issues/7044