https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108865
--- Comment #35 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to peter0x44 from comment #34) > Unfortunately, this option breaks GCC running under Windows XP. XP has not been supported by mingw for a long time so I have no idea how you have been building there.