master branch: commit r11-6704 failed to bootstrap on Linux/i686 (commit r11-6658 builds)!

[H.J. Lu]

make[2]: Entering directory '/export/gnu/import/git/gcc-test-master-ia32'
rm -rf bld
mkdir -p bld
cd bld; \
CC="gcc -m32 -fno-lto" CXX="g++ -m32 -fno-lto" ../src-master/configure \
	 --prefix=/usr/11.0.0 --enable-clocale=gnu --with-system-zlib --enable-shared --enable-cet --with-demangler-in-ld --enable-libmpx i686-linux --with-fpmath=sse 
configure: WARNING: you should use --build, --host, --target
    grep "Error " makelog.r11-6704.i686 >> makelog.r11-6704.i686.mail; \
make[8]: *** [Makefile:798: alloc.lo] Error 1
make[8]: *** [Makefile:798: atomic.lo] Error 1
make[7]: *** [Makefile:1021: all-recursive] Error 1
make[6]: *** [Makefile:622: all] Error 2
make[5]: *** [Makefile:23201: all-stage1-target-libgomp] Error 2
make[6]: [Makefile:1754: i686-linux/bits/largefile-config.h] Error 1 (ignored)
make[4]: *** [Makefile:24977: stage1-bubble] Error 2
make[3]: *** [Makefile:25314: bootstrap] Error 2
make[2]: *** [Makefile:309: bootstrap] Error 2
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-master/libstdc++-v3
multidirs=
with_multisubdir=
config.status: creating libsupc++/Makefile
Adding multilib support to libsupc++/Makefile in ../../../src-master/libstdc++-v3
multidirs=
with_multisubdir=
config.status: creating src/Makefile
Adding multilib support to src/Makefile in ../../../src-master/libstdc++-v3
multidirs=
with_multisubdir=
config.status: creating src/c++98/Makefile
Adding multilib support to src/c++98/Makefile in ../../../src-master/libstdc++-v3
multidirs=
with_multisubdir=
config.status: creating src/c++11/Makefile
Adding multilib support to src/c++11/Makefile in ../../../src-master/libstdc++-v3
multidirs=
with_multisubdir=
config.status: creating src/c++17/Makefile
Adding multilib support to src/c++17/Makefile in ../../../src-master/libstdc++-v3
multidirs=
with_multisubdir=
config.status: creating src/c++20/Makefile
Adding multilib support to src/c++20/Makefile in ../../../src-master/libstdc++-v3
multidirs=
with_multisubdir=
config.status: creating src/filesystem/Makefile
Adding multilib support to src/filesystem/Makefile in ../../../src-master/libstdc++-v3
multidirs=
with_multisubdir=
config.status: creating doc/Makefile
Adding multilib support to doc/Makefile in ../../../src-master/libstdc++-v3
multidirs=
with_multisubdir=
config.status: creating po/Makefile
Adding multilib support to po/Makefile in ../../../src-master/libstdc++-v3
multidirs=
with_multisubdir=
config.status: creating testsuite/Makefile
Adding multilib support to testsuite/Makefile in ../../../src-master/libstdc++-v3
multidirs=
with_multisubdir=
config.status: creating python/Makefile
Adding multilib support to python/Makefile in ../../../src-master/libstdc++-v3
multidirs=
with_multisubdir=
config.status: creating config.h
config.status: executing default-1 commands
Adding multilib support to Makefile in ../../../src-master/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-master-ia32/bld/i686-linux/libstdc++-v3/include'
echo timestamp > stamp-pb
echo timestamp > stamp-host
make[6]: [Makefile:1754: i686-linux/bits/largefile-config.h] Error 1 (ignored)
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
echo 'define _GLIBCXX_USE_FLOAT128 1' > stamp-float128
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-master-ia32/src-master/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-master-ia32/src-master/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-master-ia32/src-master/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-master-ia32/src-master/libstdc++-v3/../libgcc/gthr-posix.h > i686-linux/bits/gthr-default.h
make[6]: Leaving directory '/export/gnu/import/git/gcc-test-master-ia32/bld/i686-linux/libstdc++-v3/include'
make[5]: Leaving directory '/export/gnu/import/git/gcc-test-master-ia32/bld'
make[4]: *** [Makefile:24977: stage1-bubble] Error 2
make[4]: Leaving directory '/export/gnu/import/git/gcc-test-master-ia32/bld'
make[3]: *** [Makefile:25314: bootstrap] Error 2
make[3]: Leaving directory '/export/gnu/import/git/gcc-test-master-ia32/bld'
Command exited with non-zero status 2
1187.35user 93.37system 6:43.26elapsed 317%CPU (0avgtext+0avgdata 561944maxresident)k
320152inputs+2380248outputs (4295major+32839046minor)pagefaults 0swaps
make[2]: *** [Makefile:309: bootstrap] Error 2
make[2]: Leaving directory '/export/gnu/import/git/gcc-test-master-ia32'