https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80728
--- Comment #5 from rguenther at suse dot de <rguenther at suse dot de> --- On Mon, 15 May 2017, amonakov at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80728 > > --- Comment #4 from Alexander Monakov <amonakov at gcc dot gnu.org> --- > ipa-reference.c has: > > /* Set of all interesting module statics. A bit is set for every module > static we are considering. This is added to the local info when asm > code is found that clobbers all memory. */ > static bitmap all_module_statics; > > > but I don't see where the code implementing the last statement in the comment > is. > I only see how indirect calls are handled (and I think barriers due to atomics > and asms can be handled in a similar fashion). Yeah, the comment refers to the old implementation (which likely was fine). The new implementation simply uses the ipa_ref lists instead of walking stmts.
