Code review comment for lp:~alan-griffiths/mir/SwitchingBundle-controls-completion-of-client_acquire-without-blocking

I find it hard to believe the C++ library is really that bad. I know if using pure pthread calls then helgrind is always right and you always need to fix your code. Although I can see helgrind is wrong about std::atomic, so it could be wrong elsewhere too. Not sure.