Description
Tested in NodeJS 13 and Chrome 79 as well as v8 master.
Input text is around 5k.
In the attached file is a reproduction of a complete freeze when trying to highlight with coffeescript, this also affects auto language detection.
(Complete freeze in this case means, I killed the process after 10 minutes)
From debugging this a bit, it hangs in the exec of the coffeescript regex
var match = matcherRe.exec(s);
I feel like it shouldn't hang and since this hang happens in v8 native code, I am not entirely sure this
is actually an issue with highlightjs, so feel free to close this if appropriate.
Is it expected behavior for a browser to hang in such a case or abort after some amount of time? I am not entirely sure, would appreciate some info on this.
I was thinking about filing a but report on the v8 bug tracker but decided to hold off until I get some feedback here first.