[Bug driver/89014] Use-after-free in aarch64 -march=native

[dmalcolm at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89014

--- Comment #5 from David Malcolm <dmalcolm at gcc dot gnu.org> ---
(In reply to ktkachov from comment #4)
> Yeah, the fix looks right.
> For the rest of the assembler errors we need the patch at:
> https://gcc.gnu.org/ml/gcc-patches/2019-01/msg00562.html

Thanks; Tamar's patch at
https://gcc.gnu.org/ml/gcc-patches/2018-12/msg01302.html changes the option
generated by the driver on this box to "-march=armv8-a", fixing the extra
errors noted in comment #3.