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/PCH/cxx_exprs.cpp b/test/PCH/cxx_exprs.cpp
index 01fc33a..0fb7590 100644
--- a/test/PCH/cxx_exprs.cpp
+++ b/test/PCH/cxx_exprs.cpp
@@ -5,6 +5,8 @@
 // RUN: %clang_cc1 -fcxx-exceptions -fexceptions -x c++-header -std=c++11 -emit-pch -o %t %S/cxx_exprs.h
 // RUN: %clang_cc1 -fcxx-exceptions -fexceptions -std=c++11 -include-pch %t -fsyntax-only -verify %s -ast-dump
 
+// expected-no-diagnostics
+
 int integer;
 double floating;
 char character;