Gcc [trunk revision 194496] failed to bootstrap on x86_64!

[Kirill Yukhin [Intel64 Core i7 AVX]]

 RUNTESTFLAGS=--target_board=unix{-m32,} ../src-trunk/configure --with-arch=corei7-avx --with-cpu=corei7-avx --prefix=/usr/local --enable-clocale=gnu --with-system-zlib --enable-shared --with-demangler-in-ld --enable-cloog-backend=isl --with-ppl-include=/opt/gnu/include --with-ppl-lib=/opt/gnu/lib64 --with-cloog-include=/opt/gnu/include --with-cloog-lib=/opt/gnu/lib64 --with-fpmath=sse --enable-languages=c,c++,fortran,java,lto,objc