[Bug driver/69471] "-march=native" unintentionally breaks further -march/-mtune flags

[hjl.tools at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69471

--- Comment #21 from H.J. Lu <hjl.tools at gmail dot com> ---
*** Bug 42444 has been marked as a duplicate of this bug. ***