diff --git a/Tests/CompileFeatures/cxx_auto_type.cpp b/Tests/CompileFeatures/cxx_auto_type.cpp
index 7dbf04f67..1f36a7966 100644
--- a/Tests/CompileFeatures/cxx_auto_type.cpp
+++ b/Tests/CompileFeatures/cxx_auto_type.cpp
@@ -1,5 +1,12 @@
 
+double foo_ = 3.14;
+
+double& foo()
+{
+  return foo_;
+}
+
 void someFunc()
 {
-  auto x = 3.14;
+  auto& x = foo();
 }