[Dlang-internal] Separate compilation identifier mess and the bug trail that ensued

[Dominikus Dittes Scherkl]

On Wednesday, 4 July 2018 at 22:15:36 UTC, Atila Neves wrote:
> Once upon a time, one could not use __traits(getUnitTests) and 
> separate compilation, and it begat
>
> Does anyone have a good idea of a way out?

using a hash? (has to also include loop variable for mixin but 
otherwise should be reliable)