[Bug target/63651] Lot of failures in obj(c|-c++) with yosemite

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63651

--- Comment #3 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
(In reply to Francois-Xavier Coudert from comment #2)
> > I suppose as a first approach, we could make it equivalent to id.
>
> Not really, apparently: the answer there gives a quite complete description
> (and quotes the official Apple docs): http://stackoverflow.com/a/14652187

Does it means that 'id' should be replaced with 'instancetype' in failing
tests? What about the gnu-runtime?