We probably need to mimic what gecko  does in ServoRestyleManager::AttributeChanged().  http://searchfox.org/mozilla-central/rev/eace920a0372051a11d8d275bd9b8f14f3024ecd/layout/base/GeckoRestyleManager.cpp#302-310
I pushed a try that deletes relevant code in GeckoRestyleManager, and no failure occurs. I guess we might not need to do the same thing for stylo. I'll close this bug. https://treeherder.mozilla.org/#/jobs?repo=try&revision=d599b9e0df159eb38e97ba907a04b50c664c4475
Assignee: tlin → nobody
Status: NEW → RESOLVED
Last Resolved: a year ago
Resolution: --- → WONTFIX
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