master branch: commit r12-6807 failed to bootstrap on Linux/i686 (commit r12-6795 builds)!

master branch: commit r12-6807 failed to bootstrap on Linux/i686 (commit r12-6795 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/12.0.1 --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.r12-6807.i686 >> makelog.r12-6807.i686.mail; \
make[6]: *** [Makefile:1143: insn-modes.o] Error 1
make[5]: *** [Makefile:4963: all-stage1-gcc] Error 2
make[4]: *** [Makefile:25951: stage1-bubble] Error 2
make[3]: *** [Makefile:26288: bootstrap] Error 2
make[2]: *** [Makefile:309: bootstrap] Error 2
echo timestamp > s-condmd
build/genflags ../../src-master/gcc/common.md ../../src-master/gcc/config/i386/i386.md \
  insn-conditions.md > tmp-flags.h
build/genattr ../../src-master/gcc/common.md ../../src-master/gcc/config/i386/i386.md \
  insn-conditions.md > tmp-attr.h
build/genattr-common ../../src-master/gcc/common.md ../../src-master/gcc/config/i386/i386.md \
  insn-conditions.md > tmp-attr-common.h
build/gencodes ../../src-master/gcc/common.md ../../src-master/gcc/config/i386/i386.md \
  insn-conditions.md > tmp-codes.h
build/genconfig ../../src-master/gcc/common.md ../../src-master/gcc/config/i386/i386.md \
  insn-conditions.md > tmp-config.h
build/gentarget-def ../../src-master/gcc/common.md ../../src-master/gcc/config/i386/i386.md \
  insn-conditions.md > tmp-target-def.h
/bin/sh ../../src-master/gcc/../move-if-change tmp-config.h insn-config.h
echo timestamp > s-config
build/genopinit ../../src-master/gcc/common.md ../../src-master/gcc/config/i386/i386.md \
  insn-conditions.md -htmp-opinit.h -ctmp-opinit.cc
/bin/sh ../../src-master/gcc/../move-if-change tmp-codes.h insn-codes.h
echo timestamp > s-codes
build/genattrtab ../../src-master/gcc/common.md ../../src-master/gcc/config/i386/i386.md insn-conditions.md \
	-Atmp-attrtab.cc -Dtmp-dfatab.cc -Ltmp-latencytab.cc
/bin/sh ../../src-master/gcc/../move-if-change tmp-attr.h insn-attr.h
echo timestamp > s-attr
build/genautomata ../../src-master/gcc/common.md ../../src-master/gcc/config/i386/i386.md \
  insn-conditions.md > tmp-automata.cc
/bin/sh ../../src-master/gcc/../move-if-change tmp-target-def.h insn-target-def.h
/bin/sh ../../src-master/gcc/../move-if-change tmp-attr-common.h insn-attr-common.h
echo timestamp > s-target-def
build/genemit ../../src-master/gcc/common.md ../../src-master/gcc/config/i386/i386.md \
  insn-conditions.md > tmp-emit.cc
/bin/sh ../../src-master/gcc/../move-if-change tmp-flags.h insn-flags.h
echo timestamp > s-attr-common
build/genextract ../../src-master/gcc/common.md ../../src-master/gcc/config/i386/i386.md \
  insn-conditions.md > tmp-extract.cc
echo timestamp > s-flags
build/genoutput ../../src-master/gcc/common.md ../../src-master/gcc/config/i386/i386.md \
  insn-conditions.md > tmp-output.cc
/bin/sh ../../src-master/gcc/../move-if-change tmp-opinit.h insn-opinit.h
/bin/sh ../../src-master/gcc/../move-if-change tmp-opinit.cc insn-opinit.cc
echo timestamp > s-opinit
build/genpeep ../../src-master/gcc/common.md ../../src-master/gcc/config/i386/i386.md \
  insn-conditions.md > tmp-peep.cc
/bin/sh ../../src-master/gcc/../move-if-change tmp-extract.cc insn-extract.cc
echo timestamp > s-extract
build/genrecog ../../src-master/gcc/common.md ../../src-master/gcc/config/i386/i386.md \
  insn-conditions.md > tmp-recog.cc
/bin/sh ../../src-master/gcc/../move-if-change tmp-emit.cc insn-emit.cc
echo timestamp > s-emit
g++ -m32 -fno-lto -std=c++11  -fno-PIE -c   -g -DIN_GCC     -fno-exceptions -fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wno-format -Wmissing-format-attribute -Woverloaded-virtual -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -fno-common  -DHAVE_CONFIG_H -I. -I. -I../../src-master/gcc -I../../src-master/gcc/. -I../../src-master/gcc/../include -I../../src-master/gcc/../libcpp/include -I../../src-master/gcc/../libcody  -I../../src-master/gcc/../libdecnumber -I../../src-master/gcc/../libdecnumber/bid -I../libdecnumber -I../../src-master/gcc/../libbacktrace   -o insn-modes.o -MT insn-modes.o -MMD -MP -MF ./.deps/insn-modes.TPo insn-modes.cc
In file included from tm.h:22,
                 from insn-modes.cc:7:
options.h:7697:34: error: token "." is not valid in preprocessor expressions
 7697 | #define linux_libc global_options.x_linux_libc
      |                                  ^
../../src-master/gcc/config/linux.h:38:24: note: in expansion of macro ‘linux_libc’
   38 | #define OPTION_GLIBC  (linux_libc == LIBC_GLIBC)
      |                        ^~~~~~~~~~
../../src-master/gcc/config/i386/gnu-user-common.h:71:43: note: in expansion of macro ‘OPTION_GLIBC’
   71 | #if HAVE_GAS_CFI_PERSONALITY_DIRECTIVE && OPTION_GLIBC
      |                                           ^~~~~~~~~~~~
make[6]: *** [Makefile:1143: insn-modes.o] Error 1
make[6]: *** Waiting for unfinished jobs....
/bin/sh ../../src-master/gcc/../move-if-change tmp-peep.cc insn-peep.cc
echo timestamp > s-peep
Statistics for recog:
  Number of decisions:  64898
  longest path:           296 (code:   6577)
  longest backtrack:       29 (code:   5475)
Statistics for split_insns:
  Number of decisions:  19137
  longest path:           142 (code:    976)
  longest backtrack:       22 (code:    607)
Statistics for peephole2_insns:
  Number of decisions:   2609
  longest path:           835 (code:    155)
  longest backtrack:       51 (code:    255)
Shared 66253 out of 115464 states by creating 11172 new states, saving 55081
/bin/sh ../../src-master/gcc/../move-if-change tmp-recog.cc insn-recog.cc
echo timestamp > s-recog
/bin/sh ../../src-master/gcc/../move-if-change tmp-output.cc insn-output.cc
echo timestamp > s-output
/bin/sh ../../src-master/gcc/../move-if-change tmp-attrtab.cc    insn-attrtab.cc
/bin/sh ../../src-master/gcc/../move-if-change tmp-dfatab.cc     insn-dfatab.cc
/bin/sh ../../src-master/gcc/../move-if-change tmp-latencytab.cc insn-latencytab.cc
echo timestamp > s-attrtab
/bin/sh ../../src-master/gcc/../move-if-change tmp-automata.cc insn-automata.cc
echo timestamp > s-automata
rm gfdl.pod gcc.pod gcov-dump.pod gcov-tool.pod fsf-funding.pod gpl.pod cpp.pod gcov.pod lto-dump.pod
make[6]: Leaving directory '/export/gnu/import/git/gcc-test-master-ia32/bld/gcc'
make[5]: *** [Makefile:4963: all-stage1-gcc] Error 2
make[5]: Leaving directory '/export/gnu/import/git/gcc-test-master-ia32/bld'
make[4]: *** [Makefile:25951: stage1-bubble] Error 2
make[4]: Leaving directory '/export/gnu/import/git/gcc-test-master-ia32/bld'
make[3]: *** [Makefile:26288: bootstrap] Error 2
make[3]: Leaving directory '/export/gnu/import/git/gcc-test-master-ia32/bld'
Command exited with non-zero status 2
410.21user 40.60system 2:36.71elapsed 287%CPU (0avgtext+0avgdata 389416maxresident)k
24inputs+381904outputs (159major+8776038minor)pagefaults 0swaps
make[2]: *** [Makefile:309: bootstrap] Error 2
make[2]: Leaving directory '/export/gnu/import/git/gcc-test-master-ia32'