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diff --git a/clang/test/CXX/temp/temp.spec/temp.explicit/p3.cpp b/clang/test/CXX/temp/temp.spec/temp.explicit/p3.cpp
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+++ b/clang/test/CXX/temp/temp.spec/temp.explicit/p3.cpp
@@ -0,0 +1,81 @@
+// RUN: %clang_cc1 -fsyntax-only -verify -Wc++11-compat %s
+
+// A declaration of a function template shall be in scope at the point of the 
+// explicit instantiation of the function template.
+template<typename T> void f0(T);
+template void f0(int); // okay
+template<typename T> void f0(T) { }
+
+// A definition of the class or class template containing a member function 
+// template shall be in scope at the point of the explicit instantiation of 
+// the member function template.
+struct X0; // expected-note {{forward declaration}}
+template<typename> struct X1; // expected-note 5{{declared here}}
+
+template void X0::f0<int>(int); // expected-error {{incomplete type}}
+template void X1<int>::f0<int>(int); // expected-error {{implicit instantiation of undefined template}}
+
+// A definition of a class template or class member template shall be in scope 
+// at the point of the explicit instantiation of the class template or class 
+// member template.
+template struct X1<float>; // expected-error{{explicit instantiation of undefined template}}
+
+template<typename T>
+struct X2 { // expected-note 4{{refers here}}
+  template<typename U>
+  struct Inner; // expected-note{{declared here}}
+  
+  struct InnerClass; // expected-note{{forward declaration}}
+};
+
+template struct X2<int>::Inner<float>; // expected-error{{explicit instantiation of undefined template}}
+
+// A definition of a class template shall be in scope at the point of an 
+// explicit instantiation of a member function or a static data member of the
+// class template.
+template void X1<int>::f1(int); // expected-error {{undefined template}}
+template void X1<int>::f1<int>(int); // expected-error {{undefined template}}
+
+template int X1<int>::member; // expected-error {{undefined template}}
+
+// A definition of a member class of a class template shall be in scope at the 
+// point of an explicit instantiation of the member class.
+template struct X2<float>::InnerClass; // expected-error{{undefined member}}
+
+// If the declaration of the explicit instantiation names an implicitly-declared 
+// special member function (Clause 12), the program is ill-formed.
+template X2<int>::X2(); // expected-error{{not an instantiation}}
+template X2<int>::X2(const X2&); // expected-error{{not an instantiation}}
+template X2<int>::~X2(); // expected-error{{not an instantiation}}
+template X2<int> &X2<int>::operator=(const X2<int>&); // expected-error{{not an instantiation}}
+
+
+// A definition of a class template is sufficient to explicitly
+// instantiate a member of the class template which itself is not yet defined.
+namespace PR7979 {
+  template <typename T> struct S {
+    void f();
+    static void g();
+    static int i;
+    struct S2 {
+      void h();
+    };
+  };
+
+  template void S<int>::f();
+  template void S<int>::g();
+  template int S<int>::i;
+  template void S<int>::S2::h();
+
+  template <typename T> void S<T>::f() {}
+  template <typename T> void S<T>::g() {}
+  template <typename T> int S<T>::i;
+  template <typename T> void S<T>::S2::h() {}
+}
+
+namespace PR11599 {
+  template <typename STRING_TYPE> class BasicStringPiece;  // expected-note {{template is declared here}}
+
+  extern template class BasicStringPiece<int>;  // expected-error{{explicit instantiation of undefined template 'PR11599::BasicStringPiece<int>}}
+  template class BasicStringPiece<int>;
+}