[Bug debug/101283] Several tests fail on Darwin with -gctf/gbtf

[rguenth at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101283

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
It might make sense to provide targets a means to opt-out of CTF/BTF support
and thus diagnose -gctf as unsupported on them.