Gcc [trunk revision 242998] failed to bootstrap on x86_64!

[intel64corei7 at gnu-34 dot sc dot intel dot com (H.J. Lu (Intel64 Core i7))]

cd bld; \
 RUNTESTFLAGS="--target_board='unix{-m32,}'" ../src-trunk/configure \
	--with-arch=corei7 --with-cpu=intel --prefix=/usr/7.0.0 --enable-clocale=gnu --with-system-zlib --enable-shared --with-demangler-in-ld --enable-libmpx --with-fpmath=sse 
checking build system type... x86_64-pc-linux-gnu
checking host system type... x86_64-pc-linux-gnu
checking target system type... x86_64-pc-linux-gnu
checking for a BSD-compatible install... /bin/install -c
    grep "Error " makelog.242998.trunk.x86_64.intel >> makelog.242998.trunk.x86_64.intel.mail; \
make[4]: *** [configure-target-libobjc] Error 1
make[3]: *** [bootstrap] Error 2
make[2]: *** [bootstrap] Error 2
checking for alloca.h... yes
yes
checking link.h usability... checking for posix_memalign... yes
checking link.h presence... yes
config.status: creating Makefile
checking for getauxval... yes
checking for link.h... yes
config.status: creating testsuite/Makefile
config.status: creating auto-config.h
checking whether strnlen is declared... config.status: executing default-1 commands
yes
yes
checking rpc/xdr.h usability... Adding multilib support to Makefile in ../../../../src-trunk/libatomic
with_multisubdir=32
config.status: executing depfiles commands
yes
checking rpc/xdr.h presence... config.status: executing libtool commands
yes
checking for rpc/xdr.h... yes
checking tirpc/rpc/xdr.h usability... checking whether the target supports thread-local storage... config.status: executing gstdint.h commands
no
checking tirpc/rpc/xdr.h presence... no
checking for tirpc/rpc/xdr.h... no
config.status: executing depfiles commands
configure: updating cache ./config.cache
configure: creating ./config.status
config.status: executing libtool commands
config.status: executing gstdint.h commands
yes
checking whether the target supports hidden visibility... yes
checking whether the target supports dllexport... no
checking whether the target supports symbol aliases... yes
checking for ld used by /export/gnu/import/git/gcc-test-intel64corei7/bld/./gcc/xgcc -B/export/gnu/import/git/gcc-test-intel64corei7/bld/./gcc/ -B/usr/7.0.0/x86_64-pc-linux-gnu/bin/ -B/usr/7.0.0/x86_64-pc-linux-gnu/lib/ -isystem /usr/7.0.0/x86_64-pc-linux-gnu/include -isystem /usr/7.0.0/x86_64-pc-linux-gnu/sys-include  -m32... (cached) /export/gnu/import/git/gcc-test-intel64corei7/bld/./gcc/collect-ld
checking if the linker (/export/gnu/import/git/gcc-test-intel64corei7/bld/./gcc/collect-ld) is GNU ld... (cached) yes
checking for -mclear-hwcap... no
checking whether __AVX__ is declared... no
checking for shared libgcc... yes
configure: versioning on shared library symbols is gnu
checking assembler .cfi pseudo-op support... yes
checking how size_t is mangled... j
checking whether the target supports __sync_*_compare_and_swap... yes
checking whether the target supports 64-bit __sync_*_compare_and_swap... config.status: creating Makefile
config.status: creating libsanitizer.spec
no
checking if the assembler supports AVX... config.status: creating libbacktrace/backtrace-supported.h
config.status: creating interception/Makefile
yes
checking if the assembler supports RTM... yes
checking whether weak refs work like ELF... yes
Adding multilib support to interception/Makefile in ../../../../src-trunk/libsanitizer
with_multisubdir=32
config.status: creating sanitizer_common/Makefile
configure: updating cache ./config.cache
configure: creating ./config.status
Adding multilib support to sanitizer_common/Makefile in ../../../../src-trunk/libsanitizer
with_multisubdir=32
config.status: creating libbacktrace/Makefile
Adding multilib support to libbacktrace/Makefile in ../../../../src-trunk/libsanitizer
with_multisubdir=32
config.status: creating lsan/Makefile
Adding multilib support to lsan/Makefile in ../../../../src-trunk/libsanitizer
with_multisubdir=32
config.status: creating asan/Makefile
Adding multilib support to asan/Makefile in ../../../../src-trunk/libsanitizer
with_multisubdir=32
config.status: creating ubsan/Makefile
Adding multilib support to ubsan/Makefile in ../../../../src-trunk/libsanitizer
with_multisubdir=32
config.status: creating config.h
config.status: executing default-1 commands
Adding multilib support to Makefile in ../../../../src-trunk/libsanitizer
with_multisubdir=32
config.status: executing depfiles commands
config.status: creating Makefile
config.status: creating testsuite/Makefile
config.status: creating libitm.spec
config.status: creating config.h
config.status: executing default-1 commands
Adding multilib support to Makefile in ../../../../src-trunk/libitm
with_multisubdir=32
config.status: executing depfiles commands
config.status: executing libtool commands
config.status: executing gstdint.h commands
config.status: executing libtool commands
config.status: executing gstdint.h commands
config.status: executing depfiles commands
config.status: executing depfiles commands
config.status: executing libtool commands
config.status: executing gstdint.h commands
config.status: executing libtool commands
config.status: executing gstdint.h commands
make[4]: Leaving directory '/export/gnu/import/git/gcc-test-intel64corei7/bld'
Makefile:23809: recipe for target 'bootstrap' failed
make[3]: *** [bootstrap] Error 2
make[3]: Leaving directory '/export/gnu/import/git/gcc-test-intel64corei7/bld'
18436.96user 606.77system 41:25.72elapsed 766%CPU (0avgtext+0avgdata 558032maxresident)k
62480inputs+21363888outputs (21major+179492582minor)pagefaults 0swaps
Makefile:288: recipe for target 'bootstrap' failed
make[2]: *** [bootstrap] Error 2
make[2]: Leaving directory '/export/gnu/import/git/gcc-test-intel64corei7'