TRACE("l1", "ll_cas: found an item %p in the list that matched the key. the expectation was "
"not met, the list was not changed", old_item, old_item_val);
return old_item_val; // failure
TRACE("l1", "ll_cas: found an item %p in the list that matched the key. the expectation was "
"not met, the list was not changed", old_item, old_item_val);
return old_item_val; // failure