How to build dmd properly?

[unDEFER]

On Tuesday, 18 December 2018 at 15:54:28 UTC, Seb wrote:
> On Tuesday, 18 December 2018 at 14:35:46 UTC, unDEFER wrote:
>> What I could build wrong and how to build dmd properly?
>
> Maybe you built dmd.d with debug assertions? (ENABLE_DEBUG=1)
>
> You can build dmd with the `./build.d` script or `make -f 
> posix.mak -j4` (assuming you are in `src).
>
> Anyway, the internal assertions should never fail, so this 
> definitely deserves a bug report if that was the case.

Yes, thank you for the hint. You are almost right. I did not 
ENABLE_DEBUG=1, but I also did not ENABLE_RELEASE=1

So it is the bug. I will report about it.