D and C++ undefined reference when namespace

[Markus]

On Thursday, 8 March 2018 at 21:14:36 UTC, Steven Schveighoffer 
wrote:
> On 3/8/18 2:01 PM, Steven Schveighoffer wrote:
>> On 3/8/18 1:56 PM, Markus wrote:
>>> I tested dmd (2.079.0), gdc and ldc2. All got the same 
>>> result. Which makes me think, that it's not a bug, but a 
>>> "feature" :)
>> 
>> This is DEFINITELY a bug.
>> 
>
> https://issues.dlang.org/show_bug.cgi?id=18582
>
> -Steve

thanks for opening an issue.
Markus