[v3] 12855

[Benjamin Kosnik]

>> 	PR libstdc++/12855
>> 	* include/bits/ios_base.h (_Callback_list): _M_refcount to
>> 	_M_references.
>
>The change s/refcount/references/ seems to me gratuitious and harmful.
>"References" is subject to interpretation; it could be a predicate, it 
>could be a container.  "Refcount" is the standard term of art.  

I agree that refcount is preferred, and will be standardizing on this instead.

Thanks!

-benjamin