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.

llvm-svn: 166280
diff --git a/clang/test/SemaCXX/overloaded-builtin-operators-0x.cpp b/clang/test/SemaCXX/overloaded-builtin-operators-0x.cpp
index 6a5a162..bf54389 100644
--- a/clang/test/SemaCXX/overloaded-builtin-operators-0x.cpp
+++ b/clang/test/SemaCXX/overloaded-builtin-operators-0x.cpp
@@ -1,4 +1,5 @@
 // RUN: %clang_cc1 -fsyntax-only -fshow-overloads=best -std=c++11 -verify %s 
+// expected-no-diagnostics
 
 template <class T>
 struct X