https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68641
--- Comment #4 from rguenther at suse dot de <rguenther at suse dot de> --- On Wed, 2 Dec 2015, ebotcazou at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68641 > > Eric Botcazou <ebotcazou at gcc dot gnu.org> changed: > > What |Removed |Added > ---------------------------------------------------------------------------- > Severity|normal |enhancement > > --- Comment #3 from Eric Botcazou <ebotcazou at gcc dot gnu.org> --- > The whole reasoning looks fairly dubious to me, the optimizer is free to do > whatever it wants on undefined behavior and requests that the generated code > behaves identically at all optimization levels on it have little merit IMO. True, just that we avoid uninitialized regs at -O1+ but not on -O0 makes this one valid. OTOH I'd just use it as an excuse to drop init-regs.c ...
