https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63773
--- Comment #36 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- > I've just been notified that the bug is fixed in Xcode 7.3.1. > Will try that as soon as it hits the Appstore. I have Xcode 7.3.1 since May 4.