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

[dominiq at lps dot ens.fr]

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

--- Comment #61 from Dominique d'Humieres <dominiq at lps dot ens.fr> 
2012-09-09 18:17:09 UTC ---
> patch committed

Thanks.