[Bug target/111908] Port CheriBSD-specific compiler warnings to GCC

[egallager at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111908

--- Comment #6 from Eric Gallager <egallager at gcc dot gnu.org> ---
(In reply to Jessica Clarke from comment #5)
> I don't think this should be regarded as part of 125576? Should that not be
> reserved for aspects of upstream LLVM?

Good question, I'll ask there.