Bug 1650510 is a test-only change, and those tests don't run in the suite that fails here (they are devtools mochitests). It's very unlikely to be related, I think we should do more retriggers here.
Bug 1651038 Comment 4 Edit History
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Bug 1650510 is a test-only change, and those tests don't run in the suite that fails here (they are devtools mochitests). It's very unlikely to be related, I think we should do more retriggers here. I also see failures on earlier pushes, eg https://treeherder.mozilla.org/#/jobs?repo=autoland&selectedTaskRun=RhkJX3rEQeS71Q9qfGVrWA.0&searchStr=linux%2C18.04%2Cx64%2Cwebrender%2Cdebug%2Creftests%2Cwith%2Cfission%2Cenabled%2Ctest-linux1804-64-qr%2Fdebug-crashtest-fis-e10s%2Cc&revision=e60508a2639b6256c0d97c8b2a5a89eb68f848f3 Might be related to Bug 1630704 which modified RestyleManager.cpp ?