https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63651
--- Comment #5 from Iain Sandoe <iains at gcc dot gnu.org> --- (In reply to Francois-Xavier Coudert from comment #4) > (In reply to Dominique d'Humieres from comment #3) > > Does it means that 'id' should be replaced with 'instancetype' in failing > > tests? What about the gnu-runtime? > > No, we need to make the compiler understand 'instancetype'. sadly, we spend almost all our darwin (volunteer) time chasing fall-out from other patches and very little remains for working on new features :-( I'd love to modernise the ObjC stuff - bearing in mind that the biggest killer there is that we don't support blocks in GCC (ObjC is essentially not much usable on darwin >= 11, without that). on the TODO ..