https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100486
--- Comment #46 from Christoph Reiter <reiter.christoph at gmail dot com> --- (In reply to Eric Botcazou from comment #45) > > Fore completeness: The "exceptions not working" problem now also crept into > > our v10.3 build with the last rebuild. Maybe some dependency change in the > > last two months, but no idea :/ > > > > https://github.com/msys2/MINGW-packages/issues/9771 > > Can you confirm that this is with the same compiler sources as the previous > 10.3 version that works? Do you apply local changes to them? Yes, everything is checksummed in our build script. We apply various patches and backports, they are also checksummed: https://github.com/msys2/MINGW-packages/blob/master/mingw-w64-gcc/PKGBUILD