Gcc [trunk revision 263461] failed to bootstrap on x86_64!

[H.J. Lu]

cd bld; \
 RUNTESTFLAGS="--target_board='unix{-m32,}'" ../src-trunk/configure \
	 --prefix=/usr/9.0.0 --enable-clocale=gnu --with-system-zlib --enable-shared --enable-cet --with-demangler-in-ld --enable-libmpx --with-build-config='bootstrap-O3 bootstrap-debug' --disable-werror --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.263461.trunk.x86_64.O3 >> makelog.263461.trunk.x86_64.O3.mail; \
make[5]: *** [Makefile:23249: compare] Error 1
make[4]: *** [Makefile:23229: stage3-bubble] Error 2
make[3]: *** [Makefile:23292: bootstrap] Error 2
make[2]: *** [Makefile:303: bootstrap] Error 2
gcc/gimple-ssa-evrp-analyze.o differs
gcc/asan.o differs
gcc/passes.o differs
gcc/objc/objc-next-runtime-abi-02.o differs
gcc/ipa-pure-const.o differs
gcc/ipa-icf.o differs
gcc/lto-streamer-out.o differs
gcc/lra-constraints.o differs
gcc/gimple-ssa-strength-reduction.o differs
gcc/varpool.o differs
gcc/gimple-expr.o differs
gcc/targhooks.o differs
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gcc/common/common-targhooks.o differs
gcc/omp-offload.o differs
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gcc/tree-vect-loop-manip.o differs
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gcc/ipa-prop.o differs
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gcc/glibc-c.o differs
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gcc/selftest-run-tests.o differs
gcc/except.o differs
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gcc/fortran/trans-types.o differs
gcc/tree-object-size.o differs
make[5]: *** [Makefile:23249: compare] Error 1
make[5]: Leaving directory '/export/gnu/import/git/gcc-test/bld'
make[4]: *** [Makefile:23229: stage3-bubble] Error 2
make[4]: Leaving directory '/export/gnu/import/git/gcc-test/bld'
make[3]: *** [Makefile:23292: bootstrap] Error 2
make[3]: Leaving directory '/export/gnu/import/git/gcc-test/bld'
Command exited with non-zero status 2
11829.05user 353.10system 34:31.64elapsed 588%CPU (0avgtext+0avgdata 854556maxresident)k
880inputs+28682920outputs (0major+137204053minor)pagefaults 0swaps
make[2]: *** [Makefile:303: bootstrap] Error 2
make[2]: Leaving directory '/export/gnu/import/git/gcc-test'