Preliminary support for function overloading

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57909 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Driver/RewriteObjC.cpp b/Driver/RewriteObjC.cpp
index 14f6ade..821bf2d 100644
--- a/Driver/RewriteObjC.cpp
+++ b/Driver/RewriteObjC.cpp
@@ -1178,7 +1178,8 @@
   else {
     DeclRefExpr *DR = cast<DeclRefExpr>(S->getElement());
     elementName = DR->getDecl()->getName();
-    elementTypeAsString = DR->getDecl()->getType().getAsString();
+    elementTypeAsString 
+      = cast<ValueDecl>(DR->getDecl())->getType().getAsString();
   }
   
   // struct __objcFastEnumerationState enumState = { 0 };