log_old_size      107 gc/finalize.c      int log_old_size = *log_size_ptr;
log_old_size      108 gc/finalize.c      register int log_new_size = log_old_size + 1;
log_old_size      109 gc/finalize.c      word old_size = ((log_old_size == -1)? 0: (1 << log_old_size));