Seemingly patternless optlink premature termination

[Stefan Koch via Digitalmars-d]

On Sunday, 8 January 2017 at 17:14:13 UTC, pineapple wrote:
> On Sunday, 8 January 2017 at 14:42:57 UTC, pineapple wrote:
>> After deciding to let my inability to add some unit tests to 
>> that module I started working on some other code in the same 
>> project. At this point it seems completely arbitrary which 
>> lines produce optlink errors. Since the `unittest{}` issue I 
>> have, in other modules, had optlink errors occur depending on 
>> the presence of arbitrary method and function calls, too.
>
> Update from IRC: Stefan was able to determine that this is a 
> stack corruption bug with optlink. (How and why I should be the 
> one to stumble upon it is yet to be determined.)

No I was able to determine it not.
I think, it could be one.
I'll post it when there is something concrete to post.