Mark Johnston eab80d9276 Add a comment explaining the race fixed by r310423.
Suggested and reviewed by: jhb
X-MFC With:	r310423
2016-12-23 05:02:17 +00:00
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2016-11-28 21:16:03 +00:00
2016-12-21 01:39:11 +00:00
2016-12-22 23:59:53 +00:00
2016-12-21 22:47:10 +00:00
2016-11-26 23:15:11 +00:00
2016-12-10 03:31:38 +00:00