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-rw-r--r--test/CXX/temp/temp.decls/temp.variadic/partial-ordering.cpp30
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diff --git a/test/CXX/temp/temp.decls/temp.variadic/partial-ordering.cpp b/test/CXX/temp/temp.decls/temp.variadic/partial-ordering.cpp
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index 0000000000..2e85c18fff
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+++ b/test/CXX/temp/temp.decls/temp.variadic/partial-ordering.cpp
@@ -0,0 +1,30 @@
+// RUN: %clang_cc1 -std=c++0x -fsyntax-only -verify %s
+
+// Various tests related to partial ordering of variadic templates.
+template<typename ...Types> struct tuple;
+
+template<typename Tuple>
+struct X1 {
+ static const unsigned value = 0;
+};
+
+template<typename Head, typename ...Tail>
+struct X1<tuple<Head, Tail...> > {
+ static const unsigned value = 1;
+};
+
+template<typename Head, typename ...Tail>
+struct X1<tuple<Head, Tail&...> > {
+ static const unsigned value = 2;
+};
+
+template<typename Head, typename ...Tail>
+struct X1<tuple<Head&, Tail&...> > {
+ static const unsigned value = 3;
+};
+
+int check0[X1<tuple<>>::value == 0? 1 : -1];
+int check1[X1<tuple<int>>::value == 2? 1 : -1];
+int check2[X1<tuple<int, int>>::value == 1? 1 : -1];
+int check3[X1<tuple<int, int&>>::value == 2? 1 : -1];
+int check4[X1<tuple<int&, int&>>::value == 3? 1 : -1];