Check in LLVM r95781.
diff --git a/test/Analysis/reference.cpp b/test/Analysis/reference.cpp
new file mode 100644
index 0000000..54d7cf5
--- /dev/null
+++ b/test/Analysis/reference.cpp
@@ -0,0 +1,11 @@
+// RUN: %clang_cc1 -analyze -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-store=region -analyzer-constraints=range -verify %s
+
+void f1() {
+  int const &i = 3;
+  int b = i;
+
+  int *p = 0;
+
+  if (b != 3)
+    *p = 1; // no-warning
+}