Missing compiler warning?

[Dicebot]

On Monday, 21 October 2013 at 10:50:45 UTC, Chris wrote:
> So the solution would be an additional layer that can be turned 
> on / off. Warnings like "unused variable" or "shadowing class 
> declaration" are quite useful. I don't see any other cases 
> where a warning would be nice (at the moment).

And this additional layer is called "static analysis tool", 
should be configurable and does not belong to compiler.

Warnings must die.