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

[marxin at gcc dot gnu.org]

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

--- Comment #6 from Martin Liška <marxin at gcc dot gnu.org> ---
(In reply to Andreas Schwab from comment #5)
> Why does it clash only on arm and aarch64?

I'll debug that, it's really strange.