[Bug debug/126801] [13/14/15/16/17 Regression] fvar-tracking-uninit is on by accident via r12-4397
"pinskia at gcc dot gnu.org via Gcc-bugs" <[email protected]>
| Newsgroups | gmane.comp.gcc.bugs |
|---|---|
| Message-ID | <[email protected]/bugzilla/> |
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126801
Drea Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |iains at gcc dot gnu.org
--- Comment #2 from Drea Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Jakub Jelinek from comment #1)
> I think flag_var_tracking_uninit was 2 in some cases on darwin, see the
> r0-120247 change, where it could set flag_var_tracking_uninit to
> flag_var_tracking which by that time could have been AUTODETECT_VALUE.
Right; even then I suspect flag_var_tracking_uninit was just on for darwin
because Apple wanted it on and things carried forward. Plus since Apple never
implemented the same tracking for LLVM; I think we should turn it off
everywhere and not worry about it for turning it on for darwin either.