https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85922
John Simon <gcc at mailinator dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|WONTFIX |FIXED --- Comment #2 from John Simon <gcc at mailinator dot com> --- > When you are using -march=native then we expect you to have a binutils > version that can handle your native ISA. Note: `-march=native` actually works (just not when used in conjunction with -O3, -O2 works fine). Isn't the problem here that GCC 8.1.0 uses the wrong instruction set for -march=native?