1 files changed, 47 insertions, 0 deletions
diff --git a/clang/test/CXX/temp/temp.spec/p5.cpp b/clang/test/CXX/temp/temp.spec/p5.cpp
new file mode 100644
index 0000000..0e69a26
--- /dev/null
+++ b/clang/test/CXX/temp/temp.spec/p5.cpp
@@ -0,0 +1,47 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+template<typename T> inline void f(T) { }
+template void f(int); // expected-note{{previous explicit instantiation}}
+template void f(int); // expected-error{{duplicate explicit instantiation}}
+
+template<typename T>
+struct X0 {
+  union Inner { };
+  
+  void f(T) { }
+  
+  static T value;
+};
+
+template<typename T>
+T X0<T>::value = 3.14; // expected-warning{{implicit conversion turns literal floating-point number into integer}}
+
+template struct X0<int>; // expected-note{{previous explicit instantiation}} \
+                            expected-note{{requested here}}
+template struct X0<int>; // expected-error{{duplicate explicit instantiation}}
+
+template void X0<float>::f(float); // expected-note{{previous explicit instantiation}}
+template void X0<float>::f(float); // expected-error{{duplicate explicit instantiation}}
+
+template union X0<float>::Inner; // expected-note{{previous explicit instantiation}}
+template union X0<float>::Inner; // expected-error{{duplicate explicit instantiation}}
+
+template float X0<float>::value; // expected-note{{previous explicit instantiation}}
+template float X0<float>::value; // expected-error{{duplicate explicit instantiation}}
+
+// Make sure that we don't get tricked by redeclarations of nested classes.
+namespace NestedClassRedecls {
+  template<typename T>
+  struct X {
+    struct Nested;
+    friend struct Nested;
+
+    struct Nested { 
+      Nested() {}
+    } nested;
+  };
+
+  X<int> xi;
+
+  template struct X<int>;
+}