https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85078
--- Comment #10 from rguenther at suse dot de <rguenther at suse dot de> --- On Mon, 9 Apr 2018, hubicka at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85078 > > --- Comment #9 from Jan Hubicka <hubicka at gcc dot gnu.org> --- > The patch attached does the table cleaning that also removes "stale pointers". > It is bit hard what "stale" means here. Devirtualization is speculative and > works safely only if it sees whole program. We see bit more of whole program > before we remove stuff that is not reachable in current TU, but practically it > is not a big ifference. > > I tested the table rebuild patch. If you want me to implement table walking I > can do it too - only problem is that odr hash is local to ipa-devirt so I will > add walker function in there with a callback. The patch has some additional changes btw. But yes, if you tested the patch go ahead with it but please add the testcase Jakub produced for the testsuite.
