1 files changed, 9 insertions, 0 deletions
diff --git a/test/SemaTemplate/ms-function-specialization-class-scope.cpp b/test/SemaTemplate/ms-function-specialization-class-scope.cpp
index 5da00837cc09..3c7111d05838 100644
--- a/test/SemaTemplate/ms-function-specialization-class-scope.cpp
+++ b/test/SemaTemplate/ms-function-specialization-class-scope.cpp
@@ -75,3 +75,12 @@ namespace Duplicates {
   // here.
   template struct A<int>;
 }
+
+namespace PR28082 {
+struct S {
+  template <int>
+  int f(int = 0);
+  template <>
+  int f<0>(int); // expected-warning {{Microsoft extension}}
+};
+}