Rename clang to clang-cc.

Tests and drivers updated, still need to shuffle dirs.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67602 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Sema/pragma-pack-2.c b/test/Sema/pragma-pack-2.c
index c86136b..25be553 100644
--- a/test/Sema/pragma-pack-2.c
+++ b/test/Sema/pragma-pack-2.c
@@ -1,4 +1,4 @@
-// RUN: clang -triple i686-apple-darwin9 %s -fsyntax-only -verify
+// RUN: clang-cc -triple i686-apple-darwin9 %s -fsyntax-only -verify
 
 #include <stddef.h>