https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101949
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- I don't think all of the bugs with -fipa-pta have been fixed which is why it is not turned on by default.
pinskia at gcc dot gnu.org via Gcc-bugs Tue, 17 Aug 2021 11:39:01 -0700
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101949
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- I don't think all of the bugs with -fipa-pta have been fixed which is why it is not turned on by default.