https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85922
John Simon <gcc at mailinator dot com> changed:
What |Removed |Added
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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?