White-listing templated-scope friend decls is a good idea, but doing it

by marking the decl invalid isn't.  Make some steps towards supporting these
and then hastily shut them down at the last second by marking them as
unsupported.

llvm-svn: 116661

1 files changed, 17 insertions, 0 deletions

diff --git a/clang/test/CodeGenCXX/template-instantiation.cpp b/clang/test/CodeGenCXX/template-instantiation.cpp
index 47ff16b8a62..a8729035e28 100644
--- a/clang/test/CodeGenCXX/template-instantiation.cpp
+++ b/clang/test/CodeGenCXX/template-instantiation.cpp
@@ -92,3 +92,20 @@ namespace test3 {
   // don't have key functions.
   template void S<int>::m();
 }
+
+namespace test4 {
+  template <class T> struct A { static void foo(); };
+
+  class B {
+    template <class T> friend void A<T>::foo();
+    B();
+  };
+
+  template <class T> void A<T>::foo() {
+    B b;
+  }
+
+  unsigned test() {
+    A<int>::foo();
+  }
+}