scala/scala — pull request #3266 by soc (2013-12-11 19:53:16+00:00)
Title: SI-7546 Use likely monotonic clock source for durations

System.currentTimeMillis is affected by wall-clock time, which means
things can appear to jump back in time.
Use System.nanoTime which is more likely¹ to be monotonic instead.

Really, Oracle? There was exactly one thing that mattered about this
method. And you managed to fuck this up?! REALLY?