https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78870
--- Comment #21 from Liu Hao <lh_mouse at 126 dot com> --- On current branch master [1] and gcc-8-branch the libstdc++fs DLL is not created for x86_64-w64-mingw32. Please re-open. [1] remotes/origin/master 84b3cf31c30 PR target/85832 PR target/86036 * config/i386/sse.md (<avx512>_eq<mode>3<mask_scalar_me
