The crash is caused by this change to Firebug: https://github.com/firebug/firebug/commit/f2b23d0ec2ac886418032fd66f040bfbfeea0ad9
The crash is caused by this change to Firebug: https:/ /github. com/firebug/ firebug/ commit/ f2b23d0ec2ac886 418032fd66f040b fbfeea0ad9