Im leaning towards https://bugzilla.mozilla.org/show_bug.cgi?id=413280 more so can you please test the testcase they have see if you see same issue? than if you do ill mark bug for upstream bug.
Im leaning towards https:/ /bugzilla. mozilla. org/show_ bug.cgi? id=413280 more so can you please test the testcase they have see if you see same issue? than if you do ill mark bug for upstream bug.