Implement support for C++0x alias templates.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130953 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/PCH/cxx-alias-decl.cpp b/test/PCH/cxx-alias-decl.cpp
new file mode 100644
index 0000000..e30311c
--- /dev/null
+++ b/test/PCH/cxx-alias-decl.cpp
@@ -0,0 +1,20 @@
+// Test this without pch.
+// RUN: %clang_cc1 -x c++ -std=c++0x -include %S/cxx-alias-decl.h -fsyntax-only -emit-llvm -o - %s
+
+// Test with pch.
+// RUN: %clang_cc1 -x c++ -std=c++0x -emit-pch -o %t %S/cxx-alias-decl.h
+// RUN: %clang_cc1 -x c++ -std=c++0x -include-pch %t -fsyntax-only -emit-llvm -o - %s
+
+template struct T<S>;
+C<A>::A<char> a;
+
+using T1 = decltype(a);
+using T1 = D<int, char>;
+
+using T2 = B<A>;
+using T2 = S;
+
+using A = int;
+template<typename U> using B = S;
+template<typename U> using C = T<U>;
+template<typename U, typename V> using D = typename T<U>::template A<V>;