Revamped concurrency API (Don can you contact Bartosz ?)

[Nick B]

Don wrote:
> Nick B wrote:
>> Nick B wrote:
>>> Bartosz Milewski wrote:
>>>> Nick B Wrote:
>>>>>> Could you give us _any_ kind of test case (even if it's enormous)?
>>>>> Bartosz - are you able to provide a test case as requested by Don ?
>>>>> Then it might be possible, to get this bug fixed.
>>>>>
>>>>> Nick B.
>>>>
>>>> I can send you the files I have checked out.
>>>> The problem was in core.thread. I tried to implement a struct Tid 
>>>> (thread ID) with reference-counting semantics and deterministic 
>>>> destruction. It passed all the tests, but when it was used in one 
>>>> particular place in druntime it produced incorrect assembly. Even 
>>>> the slightest change made the bug disappear, so I wasn't able to 
>>>> reproduce it under controlled conditions.
>>>>
>>>> Unfortunately, I have undone some of my changes trying to bypass the 
>>>> bug, so at the moment I don't even have the buggy version, but it 
>>>> can be reconstructed. We can discuss it off-line, if you want. Use 
>>>> my email address with -nospam removed.
>>>
>>> Bartosz
>>>
>>> I think that Don is the best person to contact you. I will try to 
>>> contact him.
>>>
>>> Nick B
>>
>> Don, are you able to contact Bartosz, re the details of this test case.
>>
>> Nick B
> 
> Bartosz has sent it to me. I can reproduce the error. It's my top 
> priority, but it'll take a while -- it's nasty.

Don - can you advise the Bugzilla number for this ?

thanks
Nick B