1 files changed, 39 insertions, 0 deletions
diff --git a/clang/test/CXX/temp/temp.param/p12.cpp b/clang/test/CXX/temp/temp.param/p12.cpp
new file mode 100644
index 0000000..7be3879
--- /dev/null
+++ b/clang/test/CXX/temp/temp.param/p12.cpp
@@ -0,0 +1,39 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s 
+template<typename> struct Y1; // expected-note{{too few template parameters in template template argument}}
+template<typename, int> struct Y2;
+
+// C++ [temp.param]p12:
+template<class T1, 
+         class T2 = int> // expected-note{{previous default template argument defined here}}
+  class B3;
+template<class T1, typename T2> class B3;
+template<class T1, 
+         typename T2 = float> // expected-error{{template parameter redefines default argument}}
+  class B3;
+
+template<template<class, int> class, 
+         template<class> class = Y1> // expected-note{{previous default template argument defined here}}
+  class B3t;
+
+template<template<class, int> class, template<class> class> class B3t;
+
+template<template<class, int> class, 
+         template<class> class = Y1> // expected-error{{template parameter redefines default argument}}
+  class B3t;
+
+template<int N, 
+         int M = 5> // expected-note{{previous default template argument defined here}}
+  class B3n;
+
+template<int N, int M> class B3n;
+
+template<int N, 
+         int M = 7>  // expected-error{{template parameter redefines default argument}}
+  class B3n;
+
+// Check validity of default arguments
+template<template<class, int> class // expected-note{{previous template template parameter is here}}
+           = Y1> // expected-error{{template template argument has different template parameters than its corresponding template template parameter}}
+  class C1 {};
+
+C1<> c1; // expected-note{{while checking a default template argument}}