https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106466
--- Comment #1 from tt_1 <herrtimson at yahoo dot de> --- here is my gcc -v LANG=C gcc -v Using built-in specs. COLLECT_GCC=gcc COLLECT_LTO_WRAPPER=/usr/libexec/gcc/aarch64-unknown-linux-gnu/10.4.0/lto-wrapper Target: aarch64-unknown-linux-gnu Configured with: /var/tmp/portage/portage/sys-devel/gcc-10.4.0/work/gcc-10.4.0/configure --host=aarch64-unknown-linux-gnu --target=aarch64-unknown-linux-gnu --build=x86_64-pc-linux-gnu --prefix=/usr --bindir=/usr/aarch64-unknown-linux-gnu/gcc-bin/10.4.0 --includedir=/usr/lib/gcc/aarch64-unknown-linux-gnu/10.4.0/include --datadir=/usr/share/gcc-data/aarch64-unknown-linux-gnu/10.4.0 --mandir=/usr/share/gcc-data/aarch64-unknown-linux-gnu/10.4.0/man --infodir=/usr/share/gcc-data/aarch64-unknown-linux-gnu/10.4.0/info --with-gxx-include-dir=/usr/lib/gcc/aarch64-unknown-linux-gnu/10.4.0/include/g++-v10 --with-python-dir=/share/gcc-data/aarch64-unknown-linux-gnu/10.4.0/python --enable-languages=c,c++,fortran --enable-obsolete --enable-secureplt --disable-werror --with-system-zlib --enable-nls --without-included-gettext --disable-libunwind-exceptions --enable-checking=release --with-bugurl=https://bugs.gentoo.org/ --with-pkgversion='Gentoo 10.4.0 p2' --disable-esp --enable-libstdcxx-time --disable-libstdcxx-pch --enable-shared --enable-threads=posix --enable-__cxa_atexit --enable-clocale=gnu --disable-multilib --disable-fixed-point --enable-libgomp --disable-libssp --disable-libada --disable-cet --disable-systemtap --disable-vtable-verify --disable-libvtv --with-zstd --enable-lto --without-isl --disable-libsanitizer --enable-default-pie --enable-default-ssp Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 10.4.0 (Gentoo 10.4.0 p2)