Safe reference counting cannot be implemented as a library

[Martin Nowak via Digitalmars-d]

On 10/27/2015 01:27 PM, Andrei Alexandrescu wrote:
> Unrelated, and a foreshadowing of the discussion on the lifetime mailing
> list: the compiler has ample opportunity to fuse incs/decs together, so
> the signatures of these functions is:
> 
> void opInc(uint delta);
> void opDec(uint delta);

Any hint/numbers showing that this is actually useful?
Implementing such a cross statement optimization is quite some work. If
this occurs often enough (in particular for shared classes with atomic
ref counting) it might be worth the effort.