GC_ADD_TO_BLACK_LIST_NORMAL  252 gc/include/private/gc_pmark.h 	    GC_ADD_TO_BLACK_LIST_NORMAL((word)current, source); \
GC_ADD_TO_BLACK_LIST_NORMAL  256 gc/include/private/gc_pmark.h           GC_ADD_TO_BLACK_LIST_NORMAL((word)current, source); goto exit_label; \