http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50621
--- Comment #6 from Yukhin Kirill <kirill.yukhin at intel dot com> 2011-10-05 15:43:54 UTC --- This was caused by gcc.gnu.org/svn/gcc/trunk@179553 Previous one bootstraps ok: gcc.gnu.org/svn/gcc/trunk@179549
