diff --git a/llvm/unittests/ADT/STLExtrasTest.cpp b/llvm/unittests/ADT/STLExtrasTest.cpp
index 427d470..80e10d0 100644
--- a/llvm/unittests/ADT/STLExtrasTest.cpp
+++ b/llvm/unittests/ADT/STLExtrasTest.cpp
@@ -364,6 +364,23 @@
   EXPECT_EQ(5, count);
 }
 
+TEST(STLExtrasTest, EmptyTest) {
+  std::vector<void*> V;
+  EXPECT_TRUE(empty(V));
+  V.push_back(nullptr);
+  EXPECT_FALSE(empty(V));
+
+  std::initializer_list<int> E = {};
+  std::initializer_list<int> NotE = {7, 13, 42};
+  EXPECT_TRUE(empty(E));
+  EXPECT_FALSE(empty(NotE));
+
+  auto R0 = make_range(V.begin(), V.begin());
+  EXPECT_TRUE(empty(R0));
+  auto R1 = make_range(V.begin(), V.end());
+  EXPECT_FALSE(empty(R1));
+}
+
 TEST(STLExtrasTest, EarlyIncrementTest) {
   std::list<int> L = {1, 2, 3, 4};