[Bug libstdc++/52002] [4.7 Regression] Bootstrap fails at revision 183520 in stage1

[dominiq at lps dot ens.fr]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52002

--- Comment #1 from Dominique d'Humieres <dominiq at lps dot ens.fr> 2012-01-25 21:23:31 UTC ---
Likely a duplicate of pr51985. Can you try the patch at
http://gcc.gnu.org/ml/gcc-patches/2012-01/msg01307.html .