http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52946
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Severity|major |enhancement --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-04-12 16:19:35 UTC --- Blocks are not part of GNU GCC at all. The support for them was not submitted upstream by Apple or reimplemented by anyone else.