https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105315
--- Comment #1 from Jiu Fu Guo <guojiufu at gcc dot gnu.org> --- The failure compiling command is about -m32: /home/guojiufu/gcc/build/gcc-mainline-base/./gcc/xgcc -B/home/guojiufu/gcc/build/gcc-mainline-base/./gcc/ -B/home/guojiufu/gcc/install/gcc-mainline-base/powerpc64-unknown-linux-gnu/bin/ -B/home/guojiufu/gcc/install/gcc-mainline-base/powerpc64-unknown-linux-gnu/lib/ -isystem /home/guojiufu/gcc/install/gcc-mainline-base/powerpc64-unknown-linux-gnu/include -isystem /home/guojiufu/gcc/install/gcc-mainline-base/powerpc64-unknown-linux-gnu/sys-include -m32 -DHAVE_CONFIG_H -I. -I/home/guojiufu/gcc/gcc-mainline-base/libgo -I /home/guojiufu/gcc/gcc-mainline-base/libgo/runtime -I/home/guojiufu/gcc/gcc-mainline-base/libgo/../libffi/include -I../libffi/include -pthread -L../libatomic/.libs -fexceptions -fnon-call-exceptions -Wall -Wextra -Wwrite-strings -Wcast-qual -Werror -D_GNU_SOURCE -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -I /home/guojiufu/gcc/gcc-mainline-base/libgo/../libgcc -I /home/guojiufu/gcc/gcc-mainline-base/libgo/../libbacktrace -I ../../../gcc/include -g -O2 -m32 -MT runtime/go-signal.lo -MD -MP -MF runtime/.deps/go-signal.Tpo -c /home/guojiufu/gcc/gcc-mainline-base/libgo/runtime/go-signal.c -fPIC -DPIC -o runtime/.libs/go-signal.o
