Region allocator strage error

[mark_mcs via Digitalmars-d-learn]

On Monday, 1 February 2016 at 12:05:53 UTC, ref2401 wrote:
> On Sunday, 31 January 2016 at 14:48:34 UTC, ref2401 wrote:
>> I am getting runtime error: 
>> core.exception.AssertError at std\experimental\allocator\building_blocks\region.d(235): Assertion failure
>
> At least tell me can anyone replicate it?

https://issues.dlang.org/show_bug.cgi?id=15637

(Sorry for the *triple* post).