Gcc [trunk revision 242993] failed to bootstrap on i686!

[ia32 at gnu-5 dot sc dot intel dot com (H.J. Lu (ia32 -fpic))]

cd bld; \
 RUNTESTFLAGS="--target_board='unix{-fpic}'" CC="gcc -m32 -fno-lto" CXX="g++ -m32 -fno-lto" ../src-trunk/configure \
	 --prefix=/usr/7.0.0 --enable-clocale=gnu --with-system-zlib --enable-shared --with-demangler-in-ld --enable-libmpx i686-linux --with-fpmath=sse 
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.242993.trunk.i686.pic >> makelog.242993.trunk.i686.pic.mail; \
make[4]: *** [configure-target-libobjc] Error 1
make[3]: *** [bootstrap] Error 2
make[2]: *** [bootstrap] Error 2
checking __sync extensions... yes
checking __atomic extensions... yes
checking output filetype... elf32
looking for a compliant stdint.h in stdint.h, checking for uintmax_t... yes
checking for ld used by /export/gnu/import/git/gcc-test-ia32/bld/./gcc/xgcc -B/export/gnu/import/git/gcc-test-ia32/bld/./gcc/ -B/usr/7.0.0/i686-linux/bin/ -B/usr/7.0.0/i686-linux/lib/ -isystem /usr/7.0.0/i686-linux/include -isystem /usr/7.0.0/i686-linux/sys-include   ... (cached) /export/gnu/import/git/gcc-test-ia32/bld/./gcc/collect-ld
checking if the linker (/export/gnu/import/git/gcc-test-ia32/bld/./gcc/collect-ld) is GNU ld... (cached) yes
checking for shared libgcc... config.status: creating Makefile
yes
checking for uintptr_t... yes
configure: versioning on shared library symbols is gnu
config.status: creating config.h
configure: updating cache ./config.cache
config.status: executing default-1 commands
yes
checking for int_least32_t... config.status: creating Makefile
config.status: creating cc1plugin-config.h
configure: creating ./config.status
config.status: executing depfiles commands
Adding multilib support to Makefile in ../../../src-trunk/libquadmath
multidirs=
with_multisubdir=
config.status: executing depfiles commands
config.status: executing libtool commands
yes
checking for int_fast32_t... yes
checking for uint64_t... yes
checking what to include in gstdint.h... stdint.h (already complete)
checking sys/mman.h usability... config.status: executing libtool commands
yes
checking sys/mman.h presence... yes
checking for sys/mman.h... yes
checking alloca.h usability... yes
checking alloca.h presence... yes
checking for alloca.h... yes
checking link.h usability... config.status: creating Makefile
yes
checking link.h presence... yes
checking for link.h... yes
config.status: creating testsuite/Makefile
checking whether strnlen is declared... config.status: creating auto-config.h
config.status: executing default-1 commands
yes
checking rpc/xdr.h usability... Adding multilib support to Makefile in ../../../src-trunk/libatomic
multidirs=
with_multisubdir=
config.status: executing depfiles commands
config.status: executing libtool commands
config.status: executing gstdint.h commands
yes
checking rpc/xdr.h presence... yes
checking for rpc/xdr.h... yes
checking tirpc/rpc/xdr.h usability... no
checking tirpc/rpc/xdr.h presence... no
checking for tirpc/rpc/xdr.h... no
configure: updating cache ./config.cache
configure: creating ./config.status
config.status: creating Makefile
config.status: creating libsanitizer.spec
config.status: creating libbacktrace/backtrace-supported.h
config.status: creating interception/Makefile
Adding multilib support to interception/Makefile in ../../../src-trunk/libsanitizer
multidirs=
with_multisubdir=
config.status: creating sanitizer_common/Makefile
Adding multilib support to sanitizer_common/Makefile in ../../../src-trunk/libsanitizer
multidirs=
with_multisubdir=
config.status: creating libbacktrace/Makefile
Adding multilib support to libbacktrace/Makefile in ../../../src-trunk/libsanitizer
multidirs=
with_multisubdir=
config.status: creating lsan/Makefile
Adding multilib support to lsan/Makefile in ../../../src-trunk/libsanitizer
multidirs=
with_multisubdir=
config.status: creating asan/Makefile
Adding multilib support to asan/Makefile in ../../../src-trunk/libsanitizer
multidirs=
with_multisubdir=
config.status: creating ubsan/Makefile
Adding multilib support to ubsan/Makefile in ../../../src-trunk/libsanitizer
multidirs=
with_multisubdir=
config.status: creating config.h
config.status: executing default-1 commands
Adding multilib support to Makefile in ../../../src-trunk/libsanitizer
multidirs=
with_multisubdir=
config.status: executing depfiles commands
config.status: executing libtool commands
config.status: executing gstdint.h commands
make[4]: Leaving directory '/export/gnu/import/git/gcc-test-ia32/bld'
Makefile:23809: recipe for target 'bootstrap' failed
make[3]: *** [bootstrap] Error 2
make[3]: Leaving directory '/export/gnu/import/git/gcc-test-ia32/bld'
19103.87user 339.31system 1:24:43elapsed 382%CPU (0avgtext+0avgdata 508040maxresident)k
101736inputs+13754632outputs (156major+78361484minor)pagefaults 0swaps
Makefile:288: recipe for target 'bootstrap' failed
make[2]: *** [bootstrap] Error 2
make[2]: Leaving directory '/export/gnu/import/git/gcc-test-ia32'