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/pragma-pack-4.c b/clang/test/Sema/pragma-pack-4.c
index b06fc0e..6a09e14 100644
--- a/clang/test/Sema/pragma-pack-4.c
+++ b/clang/test/Sema/pragma-pack-4.c
@@ -1,5 +1,6 @@
 // RUN: %clang_cc1 -triple i686-apple-darwin9 %s -fsyntax-only -verify
 // RUN: %clang_cc1 -triple x86_64-apple-darwin9 %s -fsyntax-only -verify
+// expected-no-diagnostics
 
 // rdar://problem/7095436
 #pragma pack(4)