https://gcc.gnu.org/bugzilla/show_bug.cgi?id=16351
--- Comment #43 from Manuel López-Ibáñez <manu at gcc dot gnu.org> --- (In reply to Tim Ruehsen from comment #42) > (In reply to Jeffrey A. Law from comment #41) > > Actually I think we want the concept of never returns NULL, both as an > > attribute and as a property the compiler can discover by analysis. Given > > that property on the return value, it can be propagated into call sites. > > ++ That sounds like very useful feature. We have returns_nonnull already.
