http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50850
--- Comment #1 from Serge Belyshev <belyshev at depni dot sinp.msu.ru> 2011-10-24 17:57:09 UTC --- Most likely dup of bug 50763 (see if reverting r180341 or applying patch from http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50763#c12 helps).