[Bug target/91130] [9/10 Regression] -MF clashes with -flto on aarch64

[rearnsha at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91130

--- Comment #30 from Richard Earnshaw <rearnsha at gcc dot gnu.org> ---
Makes sense.  I'm going to wait now until Joseph gets back and has had a chance
to comment.