Index: lib/AST/DeclPrinter.cpp
===================================================================
--- lib/AST/DeclPrinter.cpp	(revision 152772)
+++ lib/AST/DeclPrinter.cpp	(working copy)
@@ -114,6 +114,8 @@
       BaseType = FTy->getResultType();
     else if (const VectorType *VTy = BaseType->getAs<VectorType>())
       BaseType = VTy->getElementType();
+    else if (const ReferenceType *RTy = BaseType->getAs<ReferenceType>())
+      BaseType = RTy->getPointeeType();
     else
       llvm_unreachable("Unknown declarator!");
   }