Created attachment 347716 [details] testcase When the root element is a XUL element but it has a non-XUL 'display' type, this assertion can be fired when we include content that includes popups. See testcase.
Status: NEW → RESOLVED
Last Resolved: 10 years ago
Resolution: --- → DUPLICATE
Duplicate of bug: 405049
You need to log in before you can comment on or make changes to this bug.