https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84658
--- Comment #22 from Martin Liška <marxin at gcc dot gnu.org> --- (In reply to Martin Liška from comment #21) > (In reply to Jakub Jelinek from comment #20) > > How would IPA-PTA work then? > > Not having experience how that works, but I would expect a complete rebuild. > Similar to what the tree PTA does? Note that the TREE PTA is just a TODO_rebuild_alias flag. Thus I would expect IPA PTA is also a rebuild of PTA information.