1 files changed, 30 insertions, 0 deletions
diff --git a/tools/clang-tidy/test/performance-inefficient-algorithm.cpp b/tools/clang-tidy/test/performance-inefficient-algorithm.cpp
new file mode 100644
index 0000000000..b508260dbd
--- /dev/null
+++ b/tools/clang-tidy/test/performance-inefficient-algorithm.cpp
@@ -0,0 +1,30 @@
+namespace std {
+template <typename T> struct less {
+  bool operator()(const T &lhs, const T &rhs) { return lhs < rhs; }
+};
+
+template <typename T> struct greater {
+  bool operator()(const T &lhs, const T &rhs) { return lhs > rhs; }
+};
+
+struct iterator_type {};
+
+template <typename K, typename Cmp = less<K>> struct set {
+  typedef iterator_type iterator;
+  iterator find(const K &k);
+  unsigned count(const K &k);
+
+  iterator begin();
+  iterator end();
+  iterator begin() const;
+  iterator end() const;
+};
+
+template <typename FwIt, typename K>
+FwIt find(FwIt, FwIt end, const K &) { return end; }
+}
+
+template <typename T> void f(const T &t) {
+  std::set<int> s;
+  find(s.begin(), s.end(), 46);
+}