Thank you very much for this analysts.

2016-01-05 16:06 GMT+01:00 Ben Coman <btc@openinworld.com>:

This is really strange!�� Why does the copied class Semaphore2 behave
differently to the original class Semaphore? This was in build 50510.

It is so frustrating.

I add tests for your cases which is red now. And one for Semaphore (inside ReadWriteLockTests) which is green