Gcc [trunk revision 255025] failed to bootstrap on i686!

[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/8.0.0 --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.255025.trunk.i686.pic >> makelog.255025.trunk.i686.pic.mail; \
make[6]: *** [Makefile:1957: s-selftest-c] Error 1
make[5]: *** [Makefile:4679: all-stage2-gcc] Error 2
make[4]: *** [Makefile:24033: stage2-bubble] Error 2
make[3]: *** [Makefile:24237: bootstrap] Error 2
make[2]: *** [Makefile:296: bootstrap] Error 2
      gcc_dir=`${PWDCMD-pwd}` ; \
      export TARGET_MACHINE srcdir SHELL MACRO_LIST && \
      cd ../build-i686-linux/fixincludes && \
      /bin/sh ./fixinc.sh "${gcc_dir}/${fix_dir}" \
        `echo /usr/include | sed -e :a -e 's,[^/]*/\.\.\/,,' -e ta`  ); \
    rm -f ${fix_dir}/syslimits.h; \
    if [ -f ${fix_dir}/limits.h ]; then \
      mv ${fix_dir}/limits.h ${fix_dir}/syslimits.h; \
    else \
      cp ../../src-trunk/gcc/gsyslimits.h ${fix_dir}/syslimits.h; \
    fi; \
    chmod a+r ${fix_dir}/syslimits.h; \
  done; \
fi
make[7]: Entering directory '/export/gnu/import/git/gcc-test-ia32/bld/prev-gcc'
(cd `${PWDCMD-pwd}`/include-fixed ; \
 tar -cf - .; exit 0) | (cd /export/gnu/import/git/gcc-test-ia32/bld/prev-gcc/../gcc/./include-fixed; tar xpf - )
make[7]: Leaving directory '/export/gnu/import/git/gcc-test-ia32/bld/prev-gcc'
echo timestamp > stmp-fixinc
if [ -d include ] ; then true; else mkdir include; chmod a+rx include; fi
if [ -d include-fixed ] ; then true; else mkdir include-fixed; chmod a+rx include-fixed; fi
for file in .. ../../src-trunk/gcc/ginclude/float.h ../../src-trunk/gcc/ginclude/iso646.h ../../src-trunk/gcc/ginclude/stdarg.h ../../src-trunk/gcc/ginclude/stdbool.h ../../src-trunk/gcc/ginclude/stddef.h ../../src-trunk/gcc/ginclude/varargs.h ../../src-trunk/gcc/ginclude/stdfix.h ../../src-trunk/gcc/ginclude/stdnoreturn.h ../../src-trunk/gcc/ginclude/stdalign.h ../../src-trunk/gcc/ginclude/stdatomic.h ../../src-trunk/gcc/config/i386/cpuid.h ../../src-trunk/gcc/config/i386/mmintrin.h ../../src-trunk/gcc/config/i386/mm3dnow.h ../../src-trunk/gcc/config/i386/xmmintrin.h ../../src-trunk/gcc/config/i386/emmintrin.h ../../src-trunk/gcc/config/i386/pmmintrin.h ../../src-trunk/gcc/config/i386/tmmintrin.h ../../src-trunk/gcc/config/i386/ammintrin.h ../../src-trunk/gcc/config/i386/smmintrin.h ../../src-trunk/gcc/config/i386/nmmintrin.h ../../src-trunk/gcc/config/i386/bmmintrin.h ../../src-trunk/gcc/config/i386/fma4intrin.h ../../src-trunk/gcc/config/i386/wmmintrin.h ../../src-trunk/gcc/config/i386/immintrin.h ../../src-trunk/gcc/config/i386/x86intrin.h ../../src-trunk/gcc/config/i386/avxintrin.h ../../src-trunk/gcc/config/i386/xopintrin.h ../../src-trunk/gcc/config/i386/ia32intrin.h ../../src-trunk/gcc/config/i386/cross-stdarg.h ../../src-trunk/gcc/config/i386/lwpintrin.h ../../src-trunk/gcc/config/i386/popcntintrin.h ../../src-trunk/gcc/config/i386/lzcntintrin.h ../../src-trunk/gcc/config/i386/bmiintrin.h ../../src-trunk/gcc/config/i386/bmi2intrin.h ../../src-trunk/gcc/config/i386/tbmintrin.h ../../src-trunk/gcc/config/i386/avx2intrin.h ../../src-trunk/gcc/config/i386/avx512fintrin.h ../../src-trunk/gcc/config/i386/fmaintrin.h ../../src-trunk/gcc/config/i386/f16cintrin.h ../../src-trunk/gcc/config/i386/rtmintrin.h ../../src-trunk/gcc/config/i386/xtestintrin.h ../../src-trunk/gcc/config/i386/rdseedintrin.h ../../src-trunk/gcc/config/i386/prfchwintrin.h ../../src-trunk/gcc/config/i386/adxintrin.h ../../src-trunk/gcc/config/i386/fxsrintrin.h ../../src-trunk/gcc/config/i386/xsaveintrin.h ../../src-trunk/gcc/config/i386/xsaveoptintrin.h ../../src-trunk/gcc/config/i386/avx512cdintrin.h ../../src-trunk/gcc/config/i386/avx512erintrin.h ../../src-trunk/gcc/config/i386/avx512pfintrin.h ../../src-trunk/gcc/config/i386/shaintrin.h ../../src-trunk/gcc/config/i386/clflushoptintrin.h ../../src-trunk/gcc/config/i386/xsavecintrin.h ../../src-trunk/gcc/config/i386/xsavesintrin.h ../../src-trunk/gcc/config/i386/avx512dqintrin.h ../../src-trunk/gcc/config/i386/avx512bwintrin.h ../../src-trunk/gcc/config/i386/avx512vlintrin.h ../../src-trunk/gcc/config/i386/avx512vlbwintrin.h ../../src-trunk/gcc/config/i386/avx512vldqintrin.h ../../src-trunk/gcc/config/i386/avx512ifmaintrin.h ../../src-trunk/gcc/config/i386/avx512ifmavlintrin.h ../../src-trunk/gcc/config/i386/avx512vbmiintrin.h ../../src-trunk/gcc/config/i386/avx512vbmivlintrin.h ../../src-trunk/gcc/config/i386/avx5124fmapsintrin.h ../../src-trunk/gcc/config/i386/avx5124vnniwintrin.h ../../src-trunk/gcc/config/i386/avx512vpopcntdqintrin.h ../../src-trunk/gcc/config/i386/clwbintrin.h ../../src-trunk/gcc/config/i386/mwaitxintrin.h ../../src-trunk/gcc/config/i386/clzerointrin.h ../../src-trunk/gcc/config/i386/pkuintrin.h ../../src-trunk/gcc/config/i386/sgxintrin.h ../../src-trunk/gcc/config/i386/cetintrin.h ../../src-trunk/gcc/config/i386/gfniintrin.h ../../src-trunk/gcc/config/i386/cet.h mm_malloc.h; do \
  if [ X$file != X.. ]; then \
    realfile=`echo $file | sed -e 's|.*/\([^/]*\)$|\1|'`; \
    echo timestamp > include/$realfile; \
    rm -f include/$realfile; \
    cp $file include; \
    chmod a+r include/$realfile; \
  fi; \
done
for file in .. ; do \
  if [ X$file != X.. ]; then \
            mv include/$file include/x_$file; \
            echo "#include_next <$file>" >include/$file; \
            cat include/x_$file >>include/$file; \
            rm -f include/x_$file; \
    chmod a+r include/$file; \
  fi; \
done
for file in .. ; do \
  if [ X$file != X.. ]; then \
    echo "#include_next <$file>" >>include/$file; \
    chmod a+r include/$file; \
  fi; \
done
rm -f include/stdint.h
if [ wrap = wrap ]; then \
  rm -f include/stdint-gcc.h; \
  cp ../../src-trunk/gcc/ginclude/stdint-gcc.h include/stdint-gcc.h; \
  chmod a+r include/stdint-gcc.h; \
  cp ../../src-trunk/gcc/ginclude/stdint-wrap.h include/stdint.h; \
  chmod a+r include/stdint.h; \
elif [ wrap = provide ]; then \
  cp ../../src-trunk/gcc/ginclude/stdint-gcc.h include/stdint.h; \
  chmod a+r include/stdint.h; \
fi
set -e; for ml in `cat fixinc_list`; do \
  sysroot_headers_suffix=`echo ${ml} | sed -e 's/;.*$//'`; \
  multi_dir=`echo ${ml} | sed -e 's/^[^;]*;//'`; \
  fix_dir=include-fixed${multi_dir}; \
  if [ -f `echo /usr/include | sed -e :a -e 's,[^/]*/\.\.\/,,' -e ta`/limits.h ] ; then \
    cat ../../src-trunk/gcc/limitx.h ../../src-trunk/gcc/glimits.h ../../src-trunk/gcc/limity.h > tmp-xlimits.h; \
  else \
    cat ../../src-trunk/gcc/glimits.h > tmp-xlimits.h; \
  fi; \
  /bin/sh ../../src-trunk/gcc/../mkinstalldirs ${fix_dir}; \
  chmod a+rx ${fix_dir} || true; \
  /bin/sh ../../src-trunk/gcc/../move-if-change \
    tmp-xlimits.h  tmp-limits.h; \
  rm -f ${fix_dir}/limits.h; \
  cp -p tmp-limits.h ${fix_dir}/limits.h; \
  chmod a+r ${fix_dir}/limits.h; \
done
rm -f include-fixed/README
cp ../../src-trunk/gcc/../fixincludes/README-fixinc include-fixed/README
chmod a+r include-fixed/README
echo timestamp > stmp-int-hdrs
/export/gnu/import/git/gcc-test-ia32/bld/./gcc/xgcc -B/export/gnu/import/git/gcc-test-ia32/bld/./gcc/ -xc -nostdinc /dev/null -S -o /dev/null -fself-test=../../src-trunk/gcc/testsuite/selftests
../../src-trunk/gcc/simplify-rtx.c:6622: test_vector_ops_series: FAIL: ASSERT_RTX_EQ (series_0_r, simplify_unary_operation (NEG, mode, series_0_nr, mode))
  expected: (vec_series:V4QI (const_int 0 [0])
    (reg:QI 88))
  actual: (vec_series:V4QI (const_int 8 [0x8])
    (reg:QI 88))
cc1: internal compiler error: in assert_rtx_eq_at, at selftest-rtl.c:57
Please submit a full bug report,
with preprocessed source if appropriate.
See <https://gcc.gnu.org/bugs/> for instructions.
make[6]: *** [Makefile:1957: s-selftest-c] Error 1
rm fsf-funding.pod gcov.pod gpl.pod cpp.pod gfdl.pod gfortran.pod gcc.pod gcov-dump.pod gcov-tool.pod
make[6]: Leaving directory '/export/gnu/import/git/gcc-test-ia32/bld/gcc'
make[5]: *** [Makefile:4679: all-stage2-gcc] Error 2
make[5]: Leaving directory '/export/gnu/import/git/gcc-test-ia32/bld'
make[4]: *** [Makefile:24033: stage2-bubble] Error 2
make[4]: Leaving directory '/export/gnu/import/git/gcc-test-ia32/bld'
make[3]: *** [Makefile:24237: bootstrap] Error 2
make[3]: Leaving directory '/export/gnu/import/git/gcc-test-ia32/bld'
16726.00user 199.85system 1:56:19elapsed 242%CPU (0avgtext+0avgdata 559180maxresident)k
20624inputs+6039976outputs (56major+45843624minor)pagefaults 0swaps
make[2]: *** [Makefile:296: bootstrap] Error 2
make[2]: Leaving directory '/export/gnu/import/git/gcc-test-ia32'