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/Sema/ms_wide_predefined_expr.cpp b/clang/test/Sema/ms_wide_predefined_expr.cpp
index 8e816e0..d56d157 100644
--- a/clang/test/Sema/ms_wide_predefined_expr.cpp
+++ b/clang/test/Sema/ms_wide_predefined_expr.cpp
@@ -1,4 +1,5 @@
 // RUN: %clang_cc1 %s -fsyntax-only -Wno-unused-value -Wmicrosoft -verify -fms-extensions
+// expected-no-diagnostics
 
 // Wide character predefined identifiers
 #define _STR2WSTR(str) L##str