Regression from bug 1308876. The root cause for this bug is that overflow areas for perspective frame are calculated before the overflow areas for children . https://searchfox.org/mozilla-central/rev/2466b82b729765fb0a3ab62f812c1a96a7362478/layout/generic/nsFrame.cpp#9542
Assignee: nobody → mikokm
Status: NEW → ASSIGNED
Just setting the priority to get this off the triage list. Naturally feel free to change it as appropriate, Miko.
Priority: -- → P2
Comment on attachment 9001635 [details] Bug 1483659 - Ensure that child overflow areas are included in perspective frame overflow areas David Baron :dbaron: 🏴 ⌚UTC-7 has approved the revision.
Attachment #9001635 - Flags: review+
Pushed by email@example.com: https://hg.mozilla.org/integration/autoland/rev/2fe00c411c46 Ensure that child overflow areas are included in perspective frame overflow areas r=dbaron
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