https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97939
--- Comment #1 from Vincent Lefèvre <vincent-gcc at vinc17 dot net> --- I forgot: That's a Debian sid machine with Using built-in specs. COLLECT_GCC=gcc COLLECT_LTO_WRAPPER=/usr/lib/gcc/sparc64-linux-gnu/10/lto-wrapper Target: sparc64-linux-gnu Configured with: ../src/configure -v --with-pkgversion='Debian 10.2.0-17' --with -bugurl=file:///usr/share/doc/gcc-10/README.Bugs --enable-languages=c,ada,c++,go ,d,fortran,objc,obj-c++,m2 --prefix=/usr --with-gcc-major-version-only --program -suffix=-10 --program-prefix=sparc64-linux-gnu- --enable-shared --enable-linker- build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --enable-clocale=gnu --enable-libstdcxx-debug -- enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-o bject --disable-libquadmath --disable-libquadmath-support --enable-plugin --enab le-default-pie --with-system-zlib --disable-libphobos --enable-objc-gc=auto --en able-multiarch --disable-werror --with-cpu-32=ultrasparc --enable-targets=all -- with-long-double-128 --enable-multilib --enable-checking=release --build=sparc64-linux-gnu --host=sparc64-linux-gnu --target=sparc64-linux-gnu Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 10.2.0 (Debian 10.2.0-17)