diff --git a/test/CodeGenCXX/mangle.cpp b/test/CodeGenCXX/mangle.cpp
index 4e6dbf5..d836f36 100644
--- a/test/CodeGenCXX/mangle.cpp
+++ b/test/CodeGenCXX/mangle.cpp
@@ -942,3 +942,12 @@
   void g(zed<&foo::bar>*)
   {}
 }
+
+namespace test44 {
+  struct foo { void bar() __restrict { }; } obj;
+
+  void f() {
+    obj.bar();
+  }
+  // CHECK-LABEL: define linkonce_odr void @_ZN6test443foo3barEv(%"struct.test44::foo"* %this)
+}