Upgrade Go to 1.7.5
go1.7.5 (released 2017/01/26) includes fixes to the compiler, runtime, and the
timepackages. See the Go 1.7.5 milestone on our issue tracker for details.
Patch is forthcoming, once I test it.
There is now a Go 1.8 too, but I figured you would want a 1.7.5 patch first.