https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93033
--- Comment #14 from David Binderman <dcb314 at hotmail dot com> --- Created attachment 47598 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=47598&action=edit gzipped C++ source code The attached C++ source code seems to be still broken. -march=native (aka bdver2) seems to be required.