Backed out for causing hazards failures on Promise.cpp. [Push with failures](https://treeherder.mozilla.org/jobs?repo=autoland&group_state=expanded&resultStatus=pending%2Crunning%2Csuccess%2Ctestfailed%2Cbusted%2Cexception%2Crunnable&fromchange=e30f09ffcecc0bac3f82eab8d863c4b445d801ab&searchStr=linux%2Cdebug%2Chazard-linux64-haz%2Fdebug%2Ch&tochange=6e13d166597b061ba28bd0717586d1400de5d312&selectedTaskRun=KsBcvddQSBurCveyiU7RrA.1) [Failure log](https://treeherder.mozilla.org/logviewer?job_id=567628283&repo=autoland&task=KsBcvddQSBurCveyiU7RrA.1) [Backout link](https://hg.mozilla.org/integration/autoland/rev/15845b7ebe946f364bec84508526f8ac8ba145f7)
Bug 2040792 Comment 2 Edit History
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Backed out for causing hazards failures on Promise.cpp. [Push with failures](https://treeherder.mozilla.org/jobs?repo=autoland&group_state=expanded&resultStatus=success%2Cpending%2Crunning%2Ctestfailed%2Cbusted%2Cexception&fromchange=e30f09ffcecc0bac3f82eab8d863c4b445d801ab&searchStr=linux%2Cdebug%2Chazard-linux64-haz%2Fdebug%2Ch&tochange=6e13d166597b061ba28bd0717586d1400de5d312&selectedTaskRun=KsBcvddQSBurCveyiU7RrA.1) [Failure log](https://treeherder.mozilla.org/logviewer?job_id=567628283&repo=autoland&task=KsBcvddQSBurCveyiU7RrA.1) [Backout link](https://hg.mozilla.org/integration/autoland/rev/15845b7ebe946f364bec84508526f8ac8ba145f7)