diff --git a/test/CodeGenCXX/function-template-specialization.cpp b/test/CodeGenCXX/function-template-specialization.cpp
new file mode 100644
index 0000000..685306f
--- /dev/null
+++ b/test/CodeGenCXX/function-template-specialization.cpp
@@ -0,0 +1,21 @@
+// RUN: clang-cc -emit-llvm %s -o -
+template<typename T, typename U>
+T* next(T* ptr, const U& diff);
+
+template<typename T, typename U>
+T* next(T* ptr, const U& diff) { 
+  return ptr + diff; 
+}
+
+void test(int *iptr, float *fptr, int diff) {
+  iptr = next(iptr, diff);
+  fptr = next(fptr, diff);
+}
+
+template<typename T, typename U>
+T* next(T* ptr, const U& diff);
+
+void test2(int *iptr, double *dptr, int diff) {
+  iptr = next(iptr, diff);
+  dptr = next(dptr, diff);
+}
\ No newline at end of file