Look for overloaded arrow operators in base classes.

llvm-svn: 81475
diff --git a/clang/test/SemaCXX/arrow-operator.cpp b/clang/test/SemaCXX/arrow-operator.cpp
new file mode 100644
index 0000000..9c46e96
--- /dev/null
+++ b/clang/test/SemaCXX/arrow-operator.cpp
@@ -0,0 +1,22 @@
+// RUN: clang-cc -fsyntax-only -verify %s
+struct T { 
+  void f();
+};
+
+struct A {
+  T* operator->(); // expected-note{{candidate function}}
+};
+
+struct B {
+  T* operator->(); // expected-note{{candidate function}}
+};
+
+struct C : A, B {
+};
+
+struct D : A { };
+
+void f(C &c, D& d) {
+  c->f(); // expected-error{{use of overloaded operator '->' is ambiguous}}
+  d->f();
+}
\ No newline at end of file