Got compiler crash in Mangler::mangleFuncType

[Stefan Koch via Digitalmars-d]

On Saturday, 25 March 2017 at 18:19:34 UTC, Stefan Koch wrote:
>
> It is very important to reduce these bugs.
> Since we compiler devs like to focus on the problem rather then 
> figureing out a certain build process.
> I am going to reduce this now.

This seems to be related to an import circle.
a template in interpreter_data.d needs node.d
node.d needs common.d
a struct declaration in common.d needs interpreter_data.d