Index: include/llvm/ADT/SmallVector.h
===================================================================
--- include/llvm/ADT/SmallVector.h
+++ include/llvm/ADT/SmallVector.h
@@ -388,7 +388,8 @@
   void swap(SmallVectorImpl &RHS);
 
   /// Add the specified range to the end of the SmallVector.
-  template<typename in_iter>
+  template <typename in_iter,
+            typename = typename std::iterator_traits<in_iter>::pointer>
   void append(in_iter in_start, in_iter in_end) {
     size_type NumInputs = std::distance(in_start, in_end);
     // Grow allocated space if needed.
@@ -426,7 +427,9 @@
     std::uninitialized_fill(this->begin(), this->end(), Elt);
   }
 
-  template <typename in_iter> void assign(in_iter in_start, in_iter in_end) {
+  template <typename in_iter,
+            typename = typename std::iterator_traits<in_iter>::pointer>
+  void assign(in_iter in_start, in_iter in_end) {
     clear();
     append(in_start, in_end);
   }
@@ -579,7 +582,8 @@
     return I;
   }
 
-  template<typename ItTy>
+  template <typename ItTy,
+            typename = typename std::iterator_traits<ItTy>::pointer>
   iterator insert(iterator I, ItTy From, ItTy To) {
     // Convert iterator to elt# to avoid invalidating iterator when we reserve()
     size_t InsertElt = I - this->begin();
@@ -860,7 +864,8 @@
     this->assign(Size, Value);
   }
 
-  template<typename ItTy>
+  template <typename ItTy,
+            typename = typename std::iterator_traits<ItTy>::pointer>
   SmallVector(ItTy S, ItTy E) : SmallVectorImpl<T>(N) {
     this->append(S, E);
   }
Index: unittests/ADT/SmallVectorTest.cpp
===================================================================
--- unittests/ADT/SmallVectorTest.cpp
+++ unittests/ADT/SmallVectorTest.cpp
@@ -415,6 +415,15 @@
   this->assertValuesInOrder(this->theVector, 3u, 1, 77, 77);
 }
 
+// Append test
+TYPED_TEST(SmallVectorTest, AppendNonIterTest) {
+  SCOPED_TRACE("AppendRepeatedTest");
+
+  this->theVector.push_back(Constructable(1));
+  this->theVector.append(2, 7);
+  this->assertValuesInOrder(this->theVector, 3u, 1, 7, 7);
+}
+
 // Assign test
 TYPED_TEST(SmallVectorTest, AssignTest) {
   SCOPED_TRACE("AssignTest");
@@ -434,6 +443,15 @@
   this->assertValuesInOrder(this->theVector, 3u, 1, 2, 3);
 }
 
+// Assign test
+TYPED_TEST(SmallVectorTest, AssignNonIterTest) {
+  SCOPED_TRACE("AssignTest");
+
+  this->theVector.push_back(Constructable(1));
+  this->theVector.assign(2, 7);
+  this->assertValuesInOrder(this->theVector, 2u, 7, 7);
+}
+
 // Move-assign test
 TYPED_TEST(SmallVectorTest, MoveAssignTest) {
   SCOPED_TRACE("MoveAssignTest");
@@ -532,6 +550,16 @@
   this->assertValuesInOrder(this->theVector, 6u, 1, 16, 16, 2, 3, 4);
 }
 
+TYPED_TEST(SmallVectorTest, InsertRepeatedNonIterTest) {
+  SCOPED_TRACE("InsertRepeatedTest");
+
+  this->makeSequence(this->theVector, 1, 4);
+  Constructable::reset();
+  auto I =
+      this->theVector.insert(this->theVector.begin() + 1, 2, 7);
+  EXPECT_EQ(this->theVector.begin() + 1, I);
+  this->assertValuesInOrder(this->theVector, 6u, 1, 7, 7, 2, 3, 4);
+}
 
 TYPED_TEST(SmallVectorTest, InsertRepeatedAtEndTest) {
   SCOPED_TRACE("InsertRepeatedTest");