Gcc [trunk revision 195288] failed to bootstrap on x86_64!

[i64corei7avx2@ecsmtp.ims.intel.com]

cd bld; \
 RUNTESTFLAGS="--target_board='unix{-m32,}'" ../src-trunk/configure \
	--with-arch=corei7-avx2 --with-cpu=corei7-avx2 --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
checking build system type... x86_64-unknown-linux-gnu
checking host system type... x86_64-unknown-linux-gnu
checking target system type... x86_64-unknown-linux-gnu
checking for a BSD-compatible install... /usr/bin/install -c
    grep "Error " makelog.195288.trunk.x86_64 >> makelog.195288.trunk.x86_64.mail; \
make[5]: *** [configure-stage1-gcc] Error 1
make[4]: *** [stage1-bubble] Error 2
make[3]: *** [bootstrap] Error 2
make[2]: *** [bootstrap] Error 2
checking for ferror_unlocked... yes
checking for fflush_unlocked... yes
checking for fgetc_unlocked... yes
checking for fgets_unlocked... yes
checking for fileno_unlocked... yes
checking for fprintf_unlocked... no
checking for fputc_unlocked... yes
checking for fputs_unlocked... yes
checking for fread_unlocked... yes
checking for fwrite_unlocked... yes
checking for getchar_unlocked... yes
checking for getc_unlocked... yes
checking for putchar_unlocked... yes
checking for putc_unlocked... yes
checking for madvise... yes
checking whether mbstowcs works... yes
checking for ssize_t... yes
checking for caddr_t... yes
checking for sys/mman.h... (cached) yes
checking for mmap... (cached) yes
checking whether read-only mmap of a plain file works... yes
checking whether mmap from /dev/zero works... yes
checking for MAP_ANON(YMOUS)... yes
checking whether mmap with MAP_ANON(YMOUS) works... yes
checking for pid_t... yes
checking for vfork.h... no
checking for fork... yes
checking for vfork... yes
checking for working fork... yes
checking for working vfork... (cached) yes
checking for ld used by GCC... ld
checking if the linker (ld) is GNU ld... yes
checking for shared library run path origin... done
checking for iconv... yes
checking for iconv declaration... install-shextern size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
checking for LC_MESSAGES... yes
checking for nl_langinfo and CODESET... yes
checking whether getenv is declared... yes
checking whether atol is declared... yes
checking whether asprintf is declared... yes
checking whether sbrk is declared... yes
checking whether abort is declared... yes
checking whether atof is declared... yes
checking whether getcwd is declared... yes
checking whether getwd is declared... yes
checking whether strsignal is declared... yes
checking whether strstr is declared... yes
checking whether stpcpy is declared... yes
checking whether strverscmp is declared... yes
checking whether errno is declared... yes
checking whether snprintf is declared... yes
checking whether vsnprintf is declared... yes
checking whether vasprintf is declared... yes
checking whether malloc is declared... yes
checking whether realloc is declared... yes
checking whether calloc is declared... yes
checking whether free is declared... yes
checking whether basename is declared... yes
checking whether getopt is declared... no
checking whether clock is declared... yes
checking whether getpagesize is declared... yes
checking whether ffs is declared... yes
checking whether clearerr_unlocked is declared... yes
checking whether feof_unlocked is declared... yes
checking whether ferror_unlocked is declared... yes
checking whether fflush_unlocked is declared... yes
checking whether fgetc_unlocked is declared... yes
checking whether fgets_unlocked is declared... yes
checking whether fileno_unlocked is declared... yes
checking whether fprintf_unlocked is declared... no
checking whether fputc_unlocked is declared... yes
checking whether fputs_unlocked is declared... yes
checking whether fread_unlocked is declared... yes
checking whether fwrite_unlocked is declared... yes
checking whether getchar_unlocked is declared... yes
checking whether getc_unlocked is declared... yes
checking whether putchar_unlocked is declared... yes
checking whether putc_unlocked is declared... yes
checking whether getrlimit is declared... yes
checking whether setrlimit is declared... yes
checking whether getrusage is declared... yes
checking whether ldgetname is declared... no
checking whether times is declared... yes
checking whether sigaltstack is declared... yes
checking whether madvise is declared... yes
checking for struct tms... yes
checking for clock_t... yes
checking for F_SETLKW... yes
checking if mkdir takes one argument... no
Unknown CPU given in --with-arch=corei7-avx2.
make[5]: *** [configure-stage1-gcc] Error 1
make[5]: Leaving directory `/nightly/gcc.svn/test-intel64corei7avx2/gcc-build-trunk/bld'
make[4]: *** [stage1-bubble] Error 2
make[4]: Leaving directory `/nightly/gcc.svn/test-intel64corei7avx2/gcc-build-trunk/bld'
make[3]: *** [bootstrap] Error 2
make[3]: Leaving directory `/nightly/gcc.svn/test-intel64corei7avx2/gcc-build-trunk/bld'
26.75user 11.51system 0:28.36elapsed 134%CPU (0avgtext+0avgdata 44792maxresident)k
24160inputs+127984outputs (80major+9702768minor)pagefaults 0swaps
make[2]: *** [bootstrap] Error 2
make[2]: Leaving directory `/nightly/gcc.svn/test-intel64corei7avx2/gcc-build-trunk'