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/pragma-diag.c b/test/PCH/pragma-diag.c
index b304c4b..601c940 100644
--- a/test/PCH/pragma-diag.c
+++ b/test/PCH/pragma-diag.c
@@ -5,6 +5,8 @@
 // RUN: %clang_cc1 %s -emit-pch -o %t
 // RUN: %clang_cc1 %s -include-pch %t -verify -fsyntax-only
 
+// expected-no-diagnostics
+
 #ifndef HEADER
 #define HEADER