GC_GENERAL_REGISTER_DISAPPEARING_LINK  577 gc/include/gc.h #   define GC_GENERAL_REGISTER_DISAPPEARING_LINK(link, obj) \
GC_GENERAL_REGISTER_DISAPPEARING_LINK  599 gc/include/gc.h #   define GC_GENERAL_REGISTER_DISAPPEARING_LINK(link, obj) \