1 files changed, 64 insertions, 0 deletions
diff --git a/test/SemaTemplate/friend-template.cpp b/test/SemaTemplate/friend-template.cpp
new file mode 100644
index 000000000000..761c13076d2a
--- /dev/null
+++ b/test/SemaTemplate/friend-template.cpp
@@ -0,0 +1,64 @@
+// RUN: clang-cc -fsyntax-only -verify %s
+
+// PR5057
+namespace std {
+  class X {
+  public:
+    template<typename T>
+    friend struct Y;
+  };
+}
+
+namespace std {
+  template<typename T>
+  struct Y
+  {
+  };
+}
+
+
+namespace N {
+  template<typename T> void f1(T) { } // expected-note{{here}}
+
+  class X {
+    template<typename T> friend void f0(T);
+    template<typename T> friend void f1(T);
+  };
+
+  template<typename T> void f0(T) { }
+  template<typename T> void f1(T) { } // expected-error{{redefinition}}
+}
+
+// PR4768
+template<typename T>
+struct X0 {
+  template<typename U> friend struct X0;
+};
+
+template<typename T>
+struct X0<T*> {
+  template<typename U> friend struct X0;
+};
+
+template<>
+struct X0<int> {
+  template<typename U> friend struct X0;
+};
+
+template<typename T>
+struct X1 {
+  template<typename U> friend void f2(U);
+  template<typename U> friend void f3(U);
+};
+
+template<typename U> void f2(U);
+
+X1<int> x1i;
+
+template<> void f2(int);
+
+// FIXME: Should this declaration of f3 be required for the specialization of
+// f3<int> (further below) to work? GCC and EDG don't require it, we do...
+template<typename U> void f3(U);
+
+template<> void f3(int);