``` Line 435: struct btree_binary_search_compare_to { static int lower_bound(const K &k, const N &n, CompareTo comp) { return n.binary_search_compare_to(k, 0, n.count(), CompareTo()); } ... } Should just pass comparator instance "comp" instead. ``` Original issue reported on code.google.com by `xinji...@gmail.com` on 6 Apr 2015 at 6:47