Are there any default dmd optimizations

[deadalnix]

On Sunday, 24 February 2013 at 08:16:37 UTC, Jonathan M Davis 
wrote:
> On Sunday, February 24, 2013 08:58:38 deadalnix wrote:
>> I would bet for register promotions, dead read/write 
>> eliminations
>> and alike. I don't expect inline to be part of it.
>
> It would actually be problematic if it were, because it would 
> screw with
> debugging.
>
> - Jonathan M Davis

Does disabling optimization imply debug build ?