Interested in D, spec confuses me.

[Kagamin via Digitalmars-d]

On Wednesday, 3 February 2016 at 20:30:01 UTC, Bambi wrote:
> I'm pretty sure casting away a const pointer to a const value 
> is undefined behaviour.

const data in C can be immutable, but also can be mutable and 
change over time, that's why immutable optimizations are illegal 
on it: you can't tell if it's immutable, the const qualifier 
tells nothing about that, it only helps the callee to not modify 
the data.