...for optimization purpose. Should be done in one month. Thanks! -- Regards, Tim Shen -------------- next part -------------- A non-text attachment was scrubbed... Name: a.patch Type: text/x-patch Size: 1456 bytes Desc: not available URL: <http://gcc.gnu.org/pipermail/libstdc++/attachments/20131202/b3b41a99/attachment.bin>