1 files changed, 40 insertions, 0 deletions
diff --git a/clang/test/SemaCXX/PR10177.cpp b/clang/test/SemaCXX/PR10177.cpp
new file mode 100644
index 0000000..8d745de
--- /dev/null
+++ b/clang/test/SemaCXX/PR10177.cpp
@@ -0,0 +1,40 @@
+// RUN: %clang_cc1 -fsyntax-only -std=c++11 -verify %s
+
+template<typename T, typename U, U> using alias_ref = T;
+template<typename T, typename U, U> void func_ref() {}
+template<typename T, typename U, U> struct class_ref {};
+
+template<int N>
+struct U {
+  static int a;
+};
+
+template<int N> struct S; // expected-note 2{{here}}
+
+template<int N>
+int U<N>::a = S<N>::kError; // expected-error 2{{undefined}}
+
+template<typename T>
+void f() {
+  // FIXME: The standard suggests that U<0>::a is odr-used by this expression,
+  // but it's not entirely clear that's the right behaviour.
+  (void)alias_ref<int, int&, U<0>::a>();
+  (void)func_ref<int, int&, U<1>::a>(); // expected-note {{here}}
+  (void)class_ref<int, int&, U<2>::a>(); // expected-note {{here}}
+};
+
+int main() {
+  f<int>(); // expected-note 2{{here}}
+}
+
+namespace N {
+  template<typename T> struct S { static int n; };
+  template<typename T> int S<T>::n = 5;
+  void g(int*);
+  template<typename T> int f() {
+    int k[S<T>::n];
+    g(k);
+    return k[3];
+  }
+  int j = f<int>();
+}