Prior to adding the new "expected-no-diagnostics" directive to VerifyDiagnosticConsumer, make the necessary adjustment to 580 test-cases which will henceforth require this new directive.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@166280 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/SemaObjCXX/references.mm b/test/SemaObjCXX/references.mm
index 3a52200..f63e17d 100644
--- a/test/SemaObjCXX/references.mm
+++ b/test/SemaObjCXX/references.mm
@@ -1,4 +1,5 @@
 // RUN: %clang_cc1 -verify -emit-llvm -o - %s
+// expected-no-diagnostics
 
 // Test reference binding.