gc_mark_stacked_objects_incremental  861 gc.c           static int gc_mark_stacked_objects_incremental(rb_objspace_t *, size_t count);
gc_mark_stacked_objects_incremental 5478 gc.c               if (gc_mark_stacked_objects_incremental(objspace, slots)) {
gc_mark_stacked_objects_incremental 5499 gc.c           	    while (gc_mark_stacked_objects_incremental(objspace, INT_MAX) == FALSE);