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diff --git a/clang/test/CXX/dcl.dcl/basic.namespace/namespace.def/p8.cpp b/clang/test/CXX/dcl.dcl/basic.namespace/namespace.def/p8.cpp
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@@ -0,0 +1,118 @@
+// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
+
+// Fun things you can do with inline namespaces:
+
+inline namespace X {
+ void f1();
+
+ inline namespace Y {
+ void f2();
+
+ template <typename T> class C {};
+ }
+
+ // Specialize and partially specialize somewhere else.
+ template <> class C<int> {};
+ template <typename T> class C<T*> {};
+}
+
+// Qualified and unqualified lookup as if member of enclosing NS.
+void foo1() {
+ f1();
+ ::f1();
+ X::f1();
+ Y::f1(); // expected-error {{no member named 'f1' in namespace 'X::Y'}}
+
+ f2();
+ ::f2();
+ X::f2();
+ Y::f2();
+}
+
+template <> class C<float> {};
+template <typename T> class C<T&> {};
+
+template class C<double>;
+
+
+// As well as all the fun with ADL.
+
+namespace ADL {
+ struct Outer {};
+
+ inline namespace IL {
+ struct Inner {};
+
+ void fo(Outer);
+ }
+
+ void fi(Inner);
+
+ inline namespace IL2 {
+ void fi2(Inner);
+ }
+}
+
+void foo2() {
+ ADL::Outer o;
+ ADL::Inner i;
+ fo(o);
+ fi(i);
+ fi2(i);
+}
+
+// Let's not forget overload sets.
+struct Distinct {};
+inline namespace Over {
+ void over(Distinct);
+}
+void over(int);
+
+void foo3() {
+ Distinct d;
+ ::over(d);
+}
+
+// Don't forget to do correct lookup for redeclarations.
+namespace redecl { inline namespace n1 {
+
+ template <class Tp> class allocator;
+
+ template <>
+ class allocator<void>
+ {
+ public:
+ typedef const void* const_pointer;
+ };
+
+ template <class Tp>
+ class allocator
+ {
+ public:
+ typedef Tp& reference;
+
+ void allocate(allocator<void>::const_pointer = 0);
+ };
+
+} }
+
+// Normal redeclarations (not for explicit instantiations or
+// specializations) are distinct in an inline namespace vs. not in an
+// inline namespace.
+namespace redecl2 {
+ inline namespace n1 {
+ void f(int) { }
+ struct X1 { };
+ template<typename T> void f(T) { }
+ template<typename T> struct X2 { };
+ int i = 71;
+ enum E { e };
+ }
+
+ void f(int) { }
+ struct X1 { };
+ template<typename T> void f(T) { }
+ template<typename T> struct X2 { };
+ int i = 71;
+ enum E { e };
+}