[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 #4 from Dominique d'Humieres <dominiq at lps dot ens.fr> 2012-08-31 12:55:40 UTC ---
Deleting the #if defined __i386__ || defined __x86_64__ blocks in
libstdc++-v3/src/c++11/random.cc allowed me to bootstrap revision 190830 on
x86_64-apple-darwin10 (regtesting scheduled for tonight).