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/PCH/exprs.c b/clang/test/PCH/exprs.c
index 5928abd..c0b279f 100644
--- a/clang/test/PCH/exprs.c
+++ b/clang/test/PCH/exprs.c
@@ -3,7 +3,11 @@
 
 // Test with pch.
 // RUN: %clang_cc1 -emit-pch -fblocks -o %t %S/exprs.h
-// RUN: %clang_cc1 -fblocks -include-pch %t -fsyntax-only -verify %s 
+// RUN: %clang_cc1 -fblocks -include-pch %t -fsyntax-only -verify %s -DWITH_PCH
+
+#ifdef WITH_PCH
+// expected-no-diagnostics
+#endif
 
 __SIZE_TYPE__ size_type_value;
 int integer;