https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79965
--- Comment #2 from Harald Anlauf <anlauf at gmx dot de> --- (In reply to Andrew Pinski from comment #1) > Your binutils does not support AVX-2 ... No, it does not. As I wrote, it's a dated machine. But for -march=core2 there should be no AVX instructions anyway.