[Bug bootstrap/54419] [4.8 Regression] Compiling libstdc++-v3/src/c++11/random.cc fails on platforms not knowing rdrand

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54419

--- Comment #53 from Jonathan Wakely <redi at gcc dot gnu.org> 2012-09-08 
10:40:31 UTC ---
Please post the patch to the right list and I'll approve it, all libstdc++
patches need to go to the libstdc++ list.