https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62225
Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |ebotcazou at gcc dot gnu.org
--- Comment #6 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
> Why doesn't -g always enable -fvar-tracking by default? It's currently only
> enabled if you specify both -g and -O.
The full answer is in the gcc-patches@ archives. The short answer is that it
essentially doesn't work at -O0.
