dmd 2.063 beta 5

[Dicebot]

On Thursday, 23 May 2013 at 14:58:01 UTC, Steven Schveighoffer 
wrote:
> Seems like const qualifier for members is simply ignored inside 
> the ctor, it should only be ignored until it is set, or until 
> it is used.

I am quite sure I have seen it (mutability of immutable in 
constructor) guaranteed either by spec or TDPL. Don't have TDPL 
with me right now, need to check later.