Gcc [trunk revision 235936] failed to bootstrap on i686!

[H.J. Lu ia32 Core i7]

cd bld; \
 CC="gcc -m32 -fno-lto" CXX="g++ -m32 -fno-lto" ../src-trunk/configure \
	--with-arch=corei7 --with-cpu=corei7 --prefix=/usr/7.0.0 --enable-clocale=gnu --with-system-zlib --enable-shared --with-demangler-in-ld --enable-libmpx i686-linux --with-fpmath=sse --enable-languages=c,c++,fortran,java,lto,objc
configure: WARNING: you should use --build, --host, --target
checking build system type... i686-pc-linux-gnu
checking host system type... i686-pc-linux-gnu
checking target system type... i686-pc-linux-gnu
    grep "Error " makelog.235936.trunk.i686.corei7 >> makelog.235936.trunk.i686.corei7.mail; \
make[8]: *** [libmpxwrappers.la] Error 1
make[7]: *** [all-recursive] Error 1
make[6]: *** [all] Error 2
make[5]: *** [all-stage1-target-libmpx] Error 2
make[4]: *** [stage1-bubble] Error 2
make[3]: *** [bootstrap] Error 2
make[2]: *** [bootstrap] Error 2
checking for pdflatex... no
configure: updating cache ./config.cache
checking for gxx-include-dir... no
checking for --enable-version-specific-runtime-libs... no
checking for install location... ${prefix}/include/c++/${gcc_version}
configure: creating ./config.status
config.status: creating Makefile
config.status: creating scripts/testsuite_flags
config.status: creating scripts/extract_symvers
config.status: creating doc/xsl/customization.xsl
config.status: creating include/Makefile
Adding multilib support to include/Makefile in ../../../src-trunk/libstdc++-v3
multidirs=
with_multisubdir=
config.status: creating libsupc++/Makefile
Adding multilib support to libsupc++/Makefile in ../../../src-trunk/libstdc++-v3
multidirs=
with_multisubdir=
config.status: creating src/Makefile
Adding multilib support to src/Makefile in ../../../src-trunk/libstdc++-v3
multidirs=
with_multisubdir=
config.status: creating src/c++98/Makefile
Adding multilib support to src/c++98/Makefile in ../../../src-trunk/libstdc++-v3
multidirs=
with_multisubdir=
config.status: creating src/c++11/Makefile
Adding multilib support to src/c++11/Makefile in ../../../src-trunk/libstdc++-v3
multidirs=
with_multisubdir=
config.status: creating src/filesystem/Makefile
Adding multilib support to src/filesystem/Makefile in ../../../src-trunk/libstdc++-v3
multidirs=
with_multisubdir=
config.status: creating doc/Makefile
Adding multilib support to doc/Makefile in ../../../src-trunk/libstdc++-v3
multidirs=
with_multisubdir=
config.status: creating po/Makefile
Adding multilib support to po/Makefile in ../../../src-trunk/libstdc++-v3
multidirs=
with_multisubdir=
config.status: creating testsuite/Makefile
Adding multilib support to testsuite/Makefile in ../../../src-trunk/libstdc++-v3
multidirs=
with_multisubdir=
config.status: creating python/Makefile
Adding multilib support to python/Makefile in ../../../src-trunk/libstdc++-v3
multidirs=
with_multisubdir=
config.status: creating config.h
config.status: executing default-1 commands
Adding multilib support to Makefile in ../../../src-trunk/libstdc++-v3
multidirs=
with_multisubdir=
config.status: executing libtool commands
config.status: executing include/gstdint.h commands
config.status: executing generate-headers commands
make[6]: Entering directory '/export/gnu/import/git/gcc-test-ia32corei7/bld/i686-linux/libstdc++-v3/include'
echo timestamp > stamp-pb
echo timestamp > stamp-host
echo 0 > stamp-namespace-version
echo 1 > stamp-visibility
echo 1 > stamp-extern-template
echo 1 > stamp-dual-abi
echo 1 > stamp-cxx11-abi
echo 1 > stamp-allocator-new
sed -e '/^#pragma/b' \
    -e '/^#/s/\([ABCDEFGHIJKLMNOPQRSTUVWXYZ_][ABCDEFGHIJKLMNOPQRSTUVWXYZ_]*\)/_GLIBCXX_\1/g' \
    -e 's/_GLIBCXX_SUPPORTS_WEAK/__GXX_WEAK__/g' \
    -e 's/_GLIBCXX___MINGW32_GLIBCXX___/__MINGW32__/g' \
    -e 's,^#include "\(.*\)",#include <bits/\1>,g' \
    < /export/gnu/import/git/gcc-test-ia32corei7/src-trunk/libstdc++-v3/../libgcc/gthr.h > i686-linux/bits/gthr.h
sed -e 's/\(UNUSED\)/_GLIBCXX_\1/g' \
    -e 's/\(GCC[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]*_H\)/_GLIBCXX_\1/g' \
    < /export/gnu/import/git/gcc-test-ia32corei7/src-trunk/libstdc++-v3/../libgcc/gthr-single.h > i686-linux/bits/gthr-single.h
sed -e 's/\(UNUSED\)/_GLIBCXX_\1/g' \
    -e 's/\(GCC[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]*_H\)/_GLIBCXX_\1/g' \
    -e 's/SUPPORTS_WEAK/__GXX_WEAK__/g' \
    -e 's/\([ABCDEFGHIJKLMNOPQRSTUVWXYZ_]*USE_WEAK\)/_GLIBCXX_\1/g' \
    < /export/gnu/import/git/gcc-test-ia32corei7/src-trunk/libstdc++-v3/../libgcc/gthr-posix.h > i686-linux/bits/gthr-posix.h
sed -e 's/\(UNUSED\)/_GLIBCXX_\1/g' \
    -e 's/\(GCC[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]*_H\)/_GLIBCXX_\1/g' \
    -e 's/SUPPORTS_WEAK/__GXX_WEAK__/g' \
    -e 's/\([ABCDEFGHIJKLMNOPQRSTUVWXYZ_]*USE_WEAK\)/_GLIBCXX_\1/g' \
    -e 's,^#include "\(.*\)",#include <bits/\1>,g' \
    < /export/gnu/import/git/gcc-test-ia32corei7/src-trunk/libstdc++-v3/../libgcc/gthr-posix.h > i686-linux/bits/gthr-default.h
make[6]: Leaving directory '/export/gnu/import/git/gcc-test-ia32corei7/bld/i686-linux/libstdc++-v3/include'
make[5]: Leaving directory '/export/gnu/import/git/gcc-test-ia32corei7/bld'
Makefile:22998: recipe for target 'stage1-bubble' failed
make[4]: *** [stage1-bubble] Error 2
make[4]: Leaving directory '/export/gnu/import/git/gcc-test-ia32corei7/bld'
Makefile:23318: recipe for target 'bootstrap' failed
make[3]: *** [bootstrap] Error 2
make[3]: Leaving directory '/export/gnu/import/git/gcc-test-ia32corei7/bld'
1374.96user 106.92system 4:27.83elapsed 553%CPU (0avgtext+0avgdata 545044maxresident)k
136inputs+1880568outputs (0major+27699139minor)pagefaults 0swaps
Makefile:291: recipe for target 'bootstrap' failed
make[2]: *** [bootstrap] Error 2
make[2]: Leaving directory '/export/gnu/import/git/gcc-test-ia32corei7'