[Patch/RFA] libstdc++/21554

[Paolo Carlini]

Benjamin Kosnik wrote:

>>but at least the below
>>minimal use is fine and I cannot see any major disadvantage: if I
>>understand the issue, it would fix once and for all the long standing
>>troubles with ext/array_allocator/2.cc on various targets.
>>    
>>
>...however, this would be very nice indeed.
>  
>
Ok, thanks. Then, let's apply the patch to mainline and, assuming
everything goes well (e.g., fail fixed on targets such as ia64-hpux ),
4_1-branch too.

Paolo.