[v3] PR C++/50594

[Paolo Carlini]

Hi,

these are the library bits, which I committed together with the 
front-end bits approved by Jason. Tested x86_64-linux.

Paolo.

////////////////////
-------------- next part --------------
An embedded and charset-unspecified text was scrubbed...
Name: CL_50594_lib
URL: <http://gcc.gnu.org/pipermail/libstdc++/attachments/20111012/3038a7bd/attachment.ksh>
-------------- next part --------------
An embedded and charset-unspecified text was scrubbed...
Name: patch_50594_lib
URL: <http://gcc.gnu.org/pipermail/libstdc++/attachments/20111012/3038a7bd/attachment-0001.ksh>