https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103623
--- Comment #14 from Kewen Lin <linkw at gcc dot gnu.org> --- > % powerpc-e300c3-linux-gnu-gcc-12.0.0 -v > Using built-in specs. > COLLECT_GCC=powerpc-e300c3-linux-gnu-gcc-12.0.0 > COLLECT_LTO_WRAPPER=/usr/libexec/gcc/powerpc-e300c3-linux-gnu/12.0.0/lto- > wrapper > Target: powerpc-e300c3-linux-gnu > Configured with: [snip] > Thread model: posix > Supported LTO compression algorithms: zlib > gcc version 12.0.0 20211219 (experimental) (GCC) Thanks! I tried Target: powerpc-e300c3-linux-gnu Configured with: /home/linkw/gcc/gcc-test/configure --prefix=/home/linkw/gcc/install/gcc-test-debug --target=powerpc-e300c3-linux-gnu --enable-languages=c,c++,fortran --enable-obsolete --disable-werror --with-system-zlib --disable-nls --disable-libunwind-exceptions --enable-checking=yes --disable-esp --enable-libstdcxx-time --disable-libstdcxx-pch --enable-poison-system-directories --with-sysroot=/usr/powerpc-e300c3-linux-gnu --disable-bootstrap --enable-__cxa_atexit --enable-clocale=gnu --disable-multilib --disable-fixed-point --enable-targets=all --enable-libgomp --disable-libssp --disable-libada --disable-cet --disable-systemtap --enable-valgrind-annotations --disable-vtable-verify --disable-libvtv --without-zstd --enable-lto --with-isl --disable-isl-version-check --disable-libsanitizer --enable-default-pie --enable-default-ssp Thread model: posix Supported LTO compression algorithms: zlib gcc version 12.0.0 20211219 (experimental) (GCC) on powerpc64le-linux-gnu, failed to reproduce it. I tried it on a x86_64 cfarm machine: /home/linkw/gcc/gcc-test/configure --host=x86_64-pc-linux-gnu --target=powerpc-e300c3-linux-gnu --build=x86_64-pc-linux-gnu --prefix=/home/linkw/gcc/install/gcc-test-debug --enable-languages=c,c++,fortran --enable-obsolete --disable-werror --with-system-zlib --disable-nls --disable-libunwind-exceptions --enable-checking=yes --disable-esp --enable-libstdcxx-time --disable-libstdcxx-pch --enable-poison-system-directories --with-sysroot=/usr/powerpc-e300c3-linux-gnu --disable-bootstrap --enable-__cxa_atexit --enable-clocale=gnu --disable-multilib --disable-fixed-point --enable-targets=all --enable-libgomp --disable-libssp --disable-libada --disable-cet --disable-systemtap --disable-vtable-verify --disable-libvtv --without-zstd --enable-lto --disable-libsanitizer --enable-default-pie --enable-default-ssp Some options which caused it failed to build were omitted: --enable-valgrind-annotations --with-isl --disable-isl-version-check --enable-secureplt I guess they don't really matter. Not sure what's wrong there.