If a conversion operator exists in a base class, make sure to cast the object to that base class.

llvm-svn: 81852
diff --git a/clang/test/CodeGenCXX/conversion-function.cpp b/clang/test/CodeGenCXX/conversion-function.cpp
index e5f303c..0bfd4af 100644
--- a/clang/test/CodeGenCXX/conversion-function.cpp
+++ b/clang/test/CodeGenCXX/conversion-function.cpp
@@ -79,11 +79,13 @@
 
 // Test. Conversion in base class is visible in derived class.
 class XB {
+  int a;
 public:
   operator int();
 };
 
 class Yb : public XB {
+  double b;
 public:
   operator char();
 };