[phobos] State of std.parallelism unit tests

[Jonathan M Davis]

I was wondering what the current state of the std.paralellism unit tests is. 
Everything is green on the autotester. And when they run properly, they pass 
on my system. But I find that they frequently freeze after printing out

totalCPUs = 6

(I have a 6-core Phenom II), and when they don't freeze, a segfault occurs at 
least some of the time. I'm running a pure 64-bit build stack (dmd, druntime, 
and Phobos are all 64-bit) on Linux. Is this expected at all? Should I do 
anything to try and track this down? I'm not actually using std.paralellism at 
the moment, so it doesn't really impact me beyond the irritation with the unit 
tests, but if there's a bug, then obviously it needs to be dealt with. Is this 
well-known, or is it something that I should be reporting? David, what is the 
situation with this?

- Jonathan M Davis