+ unbuffered bits (Re: [Patch] Fix libstdc++/9761)

[Paolo Carlini]

Benjamin Kosnik wrote:

>>Tested x86-linux. Ok?
>>    
>>
>No, this is not correct. Furthermore, I do have the correct patch. I
>thought I'd told you I was working on this....
>
I would appreciate some additional explanations.
In general, I didn't mean to work on the unbuffered bits: just tackled 
the PR (which by itself has nothing to do with buffering) then thought 
to provide the unbuffered pbackfail (not others) bits.

Paolo.