"make std/concurrency.test" fails but others don't... why?

[timotheecour via Digitalmars-d]

On Sunday, 12 April 2015 at 04:08:47 UTC, Andrei Alexandrescu 
wrote:
> On 4/11/15 12:25 AM, Vladimir Panteleev wrote:
>> [...]
>
> The actual command line generated by is:
>
> ../dmd/src/dmd -conf= -I../druntime/import  -w -dip25 -m64  -g 
> -debug -main -unittest generated/osx/debug/64/libphobos2.a 
> -defaultlib= -debuglib= -L-lcurl -run std/stdio.d
>
> So having this in the makefile:
>
> * makes sure the library is built automatically
>
> * links the right external libs
>
> * makes sure command line options such as -dip25 are not omitted
>
> * makes sure there's no interference from dmd.conf files
>
> * links the correct library
>
> * ...
>
> So if your point was it can be done just worse, sure.
>
>
> Andrei

just posted this regression: 
https://issues.dlang.org/show_bug.cgi?id=14828
could this be related?