1 files changed, 27 insertions, 0 deletions
diff --git a/clang/test/CXX/temp/temp.fct.spec/temp.arg.explicit/p3-0x.cpp b/clang/test/CXX/temp/temp.fct.spec/temp.arg.explicit/p3-0x.cpp
new file mode 100644
index 0000000..4d29b74
--- /dev/null
+++ b/clang/test/CXX/temp/temp.fct.spec/temp.arg.explicit/p3-0x.cpp
@@ -0,0 +1,27 @@
+// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
+
+namespace ParameterPacksWithFunctions {
+  template<typename ...> struct count;
+
+  template<typename Head, typename ...Tail>
+  struct count<Head, Tail...> {
+    static const unsigned value = 1 + count<Tail...>::value;
+  };
+
+  template<>
+  struct count<> {
+    static const unsigned value = 0;
+  };
+  
+  template<unsigned> struct unsigned_c { };
+
+  template<typename ... Types>
+  unsigned_c<count<Types...>::value> f();
+
+  void test_f() {
+    unsigned_c<0> uc0a = f(); // okay, deduced to an empty pack
+    unsigned_c<0> uc0b = f<>();
+    unsigned_c<1> uc1 = f<int>();
+    unsigned_c<2> uc2 = f<float, double>();
+  }
+}