scan_limit 296 gc/finalize.c ptr_t scan_limit; scan_limit 300 gc/finalize.c scan_limit = p + descr - sizeof(word); scan_limit 302 gc/finalize.c scan_limit = target_limit + 1 - sizeof(word); scan_limit 304 gc/finalize.c for (q = p; q <= scan_limit; q += ALIGNMENT) {