dmd 1.048 and 2.033 releases

[BCS]

Hello Walter,

> #ponce wrote:
> 
>> I think it's disabled in debug mode to keep the compilation time low.
>> 
> That, and the optimizer tends to scramble the relationship between
> source and assembler, making source debugging next to impossible.
> 

How hard would it be to have the code generate run on the unoptimized code 
and then do the optimizer backed test and only if no bugs jump out, move 
the results into the object file?