rcbag_count
uint64_t rcbag_count(const struct rcbag *bag);
old_stack_height = rcbag_count(rcstack);
while (rcbag_count(rcstack) > 0) {
if (rcbag_count(rcstack) != old_stack_height) {
if (rcbag_count(rcstack) == 0)
old_stack_height = rcbag_count(rcstack);
ASSERT(rcbag_count(rcstack) == 0);
old_stack_height = rcbag_count(rcstack);
while (rcbag_count(rcstack) > 0) {
if (rcbag_count(rcstack) != old_stack_height) {
if (rcbag_count(rcstack) == 0)
old_stack_height = rcbag_count(rcstack);
ASSERT(rcbag_count(rcstack) == 0);