Breaking off from bug 1491925 so we can land this directly on beta. Note that bug 1501479 never landed on 64.
I produced that patch by doing: hg backout 6b57b7631a5d hg backout a994947dd760 hg backout eddaf25ccc76 and then folding the three changesets together.
Attachment #9021611 - Flags: review?(continuation) → review+
Comment on attachment 9021611 [details] [diff] [review] Back out some debugging instrumentation from Firefox 64, now that it's in beta [Beta/Release Uplift Approval Request] Feature/Bug causing the regression: Debugging instrumentation User impact if declined: Worse performance and possible extra crashes Is this code covered by automated tests?: Yes Has the fix been verified in Nightly?: No Needs manual test from QE?: No If yes, steps to reproduce: List of other uplifts needed: None Risk to taking this patch: Low Why is the change risky/not risky? (and alternatives if risky): Backs out a bunch of MOZ_CRASH bits and some of their supporting infrastructure, which is where nightly was a few weeks ago. Note that I am not backing these out on nightly, where I am still gathering data, hence this fix not being "verified in Nightly". String changes made/needed: None.
Attachment #9021611 - Flags: approval-mozilla-beta?
Comment on attachment 9021611 [details] [diff] [review] Back out some debugging instrumentation from Firefox 64, now that it's in beta [Triage Comment] Removes some debugging instrumentation to avoid perf and stability issues. Approved for 64.0b6.
Attachment #9021611 - Flags: approval-mozilla-beta? → approval-mozilla-beta+
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