Do everything in Java…

[Walter Bright via Digitalmars-d]

On 12/6/2014 7:12 AM, H. S. Teoh via Digitalmars-d wrote:
> However, all this level of review kinda loses a lot of its effectiveness
> because we have no unittesting system, so regressions are out of
> control. :-(  The code is complex enough that even with all this review,
> things still slip through. The lack of automation also means QA tests
> are sometimes rather skimpy and miss obvious regressions. Having
> automated unittesting would go a long ways in improving this situation.

Without the dmd compiler test suite, making progress with the compiler would be 
simply impossible.