[Bug debug/126801] [13/14/15/16/17 Regression] fvar-tracking-uninit is on by accident via r12-4397

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126801

--- Comment #3 from Iain Sandoe <iains at gcc dot gnu.org> ---
I'm in favour of removing darwin special-cases, if there's no extant
justification for them.