https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103949
--- Comment #15 from Jörn Heusipp <manx-bugzilla at problemloesungsmaschine dot de> --- (In reply to Jonathan Wakely from comment #14) > What is the output of x86_64-w64-mingw32-g++-posix -v manx@appendix:~$ x86_64-w64-mingw32-g++-posix -v Using built-in specs. COLLECT_GCC=x86_64-w64-mingw32-g++-posix COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-w64-mingw32/10-posix/lto-wrapper Target: x86_64-w64-mingw32 Configured with: ../../src/configure --build=x86_64-linux-gnu --prefix=/usr --includedir='/usr/include' --mandir='/usr/share/man' --infodir='/usr/share/info' --sysconfdir=/etc --localstatedir=/var --disable-option-checking --disable-silent-rules --libdir='/usr/lib/x86_64-linux-gnu' --libexecdir='/usr/lib/x86_64-linux-gnu' --disable-maintainer-mode --disable-dependency-tracking --prefix=/usr --enable-shared --enable-static --disable-multilib --with-system-zlib --libexecdir=/usr/lib --without-included-gettext --libdir=/usr/lib --enable-libstdcxx-time=yes --with-tune=generic --with-headers --enable-version-specific-runtime-libs --enable-fully-dynamic-string --enable-libgomp --enable-languages=c,c++,fortran,objc,obj-c++,ada --enable-lto --enable-threads=posix --program-suffix=-posix --program-prefix=x86_64-w64-mingw32- --target=x86_64-w64-mingw32 --with-as=/usr/bin/x86_64-w64-mingw32-as --with-ld=/usr/bin/x86_64-w64-mingw32-ld --enable-libatomic --enable-libstdcxx-filesystem-ts=yes --enable-dependency-tracking Thread model: posix Supported LTO compression algorithms: zlib gcc version 10-posix 20210110 (GCC) manx@appendix:~$