Insight into the DMD back-end

[Walter Bright]

Stephan wrote:
> I often ran into this strange behaviour when using -O optimization 
> without knowing where it came from and it is so disturbing when i think 
> of people newly getting interested in D making the experience when 
> trying to compare it with C/C++ and then finding out the optimization 
> makes strange things. I think out of a image perspective such bugs must 
> be high priority, ESPECIALLY if it lies there for 25years already.

I've had probably 10,000 bug reports over the years and this has never appeared 
as one before now. Thank you for reporting it.