Escaping the Tyranny of the GC: std.rcstring, first blood

[po via Digitalmars-d]

>> I'm not sure about that discussion, but there's good evidence 
>> from C++ that refcounting with atomics works. What was the 
>> smoking gun?
>
> http://www.gotw.ca/gotw/045.htm

  I don't see how that link answers Andrei's question? He just 
compares different methods of implementing COW.