https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109266
--- Comment #4 from David Malcolm <dmalcolm at gcc dot gnu.org> --- (In reply to David Malcolm from comment #3) > (In reply to Jonny Grant from comment #2) [...] > > > > I wondered if you know how to turn on that "cc1plus: note: source object is > > likely at address zero? It seems different from normal warnings. > > Grepping the sources shows it's from gcc/pointer-query.cc: > access_ref::inform_access; I think it's one of the middle-end warnings that > triggers that, but I'm not sure exactly which (the analyzer doesn't use that > at the moment). Grepping for calls to "inform_access" shows that it can come from: -Warray_bounds= -Wstringop_overflow= -Wstringop_overread
