Very vague compiler error message

[via Digitalmars-d-learn]

On Tuesday, 12 August 2014 at 07:16:50 UTC, Jeremy DeHaan wrote:
> I recently got this error messege when building my library:
>
> dmd: cppmangle.c:154: void 
> CppMangleVisitor::cpp_mangle_name(Dsymbol*): Assertion `0' 
> failed.
>
> I have no idea what it means and haven't found much information 
> about it. I think I have narrowed it down to the file that is 
> giving this error, but does anyone know what the heck causes 
> something like this?  Talk about a nondescript error.

Same issue here with dsfml-audio, this is really annoying :/