https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113978
--- Comment #6 from 严 逍宇 <xjkp2283572185 at gmail dot com> --- (In reply to Andrew Pinski from comment #5) > As I mentioned, that works on linux just fine: Thank you for your time. And when can I use this feature on mingw? I think the behavior of swap two long vectors should be platform-independent.