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diff --git a/clang/test/CXX/dcl.dcl/basic.namespace/namespace.def/namespace.memdef/p3.cpp b/clang/test/CXX/dcl.dcl/basic.namespace/namespace.def/namespace.memdef/p3.cpp
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+++ b/clang/test/CXX/dcl.dcl/basic.namespace/namespace.def/namespace.memdef/p3.cpp
@@ -0,0 +1,93 @@
+// RUN: %clang_cc1 -fsyntax-only %s -verify
+
+// C++'0x [namespace.memdef] p3:
+// Every name first declared in a namespace is a member of that namespace. If
+// a friend declaration in a non-local class first declares a class or
+// function the friend class or function is a member of the innermost
+// enclosing namespace.
+
+namespace N {
+ struct S0 {
+ friend struct F0;
+ friend void f0(int);
+ struct F0 member_func();
+ };
+ struct F0 { };
+ F0 f0() { return S0().member_func(); }
+}
+N::F0 f0_var = N::f0();
+
+// Ensure we can handle attaching friend declarations to an enclosing namespace
+// with multiple contexts.
+namespace N { struct S1 { struct IS1; }; }
+namespace N {
+ struct S1::IS1 {
+ friend struct F1;
+ friend void f1(int);
+ struct F1 member_func();
+ };
+ struct F1 { };
+ F1 f1() { return S1::IS1().member_func(); }
+}
+N::F1 f1_var = N::f1();
+
+// The name of the friend is not found by unqualified lookup (3.4.1) or by
+// qualified lookup (3.4.3) until a matching declaration is provided in that
+// namespace scope (either before or after the class definition granting
+// friendship). If a friend function is called, its name may be found by the
+// name lookup that considers functions from namespaces and classes
+// associated with the types of the function arguments (3.4.2). If the name
+// in a friend declaration is neither qualified nor a template-id and the
+// declaration is a function or an elaborated-type-specifier, the lookup to
+// determine whether the entity has been previously declared shall not
+// consider any scopes outside the innermost enclosing namespace.
+
+template<typename T> struct X0 { };
+struct X1 { };
+
+struct Y {
+ template<typename T> union X0;
+ template<typename T> friend union X0;
+
+ union X1;
+ friend union X1;
+};
+
+namespace N {
+ namespace M {
+ template<typename T> class X;
+ }
+}
+
+namespace N3 {
+ class Y {
+ template<typename T> friend class N::M::X;
+ };
+}
+
+// FIXME: Woefully inadequate for testing
+
+// Friends declared as template-ids aren't subject to the restriction
+// on innermost namespaces.
+// rdar://problem/8552377
+namespace test5 {
+ template <class T> void f(T);
+ namespace ns {
+ class A {
+ friend void f<int>(int);
+ static void foo(); // expected-note 2 {{declared private here}}
+ };
+
+ // Note that this happens without instantiation.
+ template <class T> void f(T) {
+ A::foo(); // expected-error {{'foo' is a private member of 'test5::ns::A'}}
+ }
+ }
+
+ template <class T> void f(T) {
+ ns::A::foo(); // expected-error {{'foo' is a private member of 'test5::ns::A'}}
+ }
+
+ template void f<int>(int);
+ template void f<long>(long); //expected-note {{instantiation}}
+}