AST printing for C++ base classes

llvm-svn: 72617
diff --git a/clang/test/Coverage/cxx-language-features.inc b/clang/test/Coverage/cxx-language-features.inc
index bac6bc7..51c1104 100644
--- a/clang/test/Coverage/cxx-language-features.inc
+++ b/clang/test/Coverage/cxx-language-features.inc
@@ -12,3 +12,10 @@
 using namespace std;
 
 namespace safestl = ::std::debug;
+
+class Base1 { 
+};
+
+class Base2 { };
+
+class Derived1 : Base1, virtual public Base2 { };