Holding off on landing this as I'm seeing another crash on the testcase and want to identify what's going on there.
Bug 1547784 Comment 6 Edit History
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Holding off on landing this as I'm seeing another crash on the testcase and want to identify what's going on there. Edit: think the other crash was down to me accidentally removing the reftest-wait from the test and getting into some bizzaro race. As such, I think this can go ahead.