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/SemaCXX/namespace.cpp b/test/SemaCXX/namespace.cpp
index ea7737e..24a0a46 100644
--- a/test/SemaCXX/namespace.cpp
+++ b/test/SemaCXX/namespace.cpp
@@ -1,4 +1,4 @@
-// RUN: clang -fsyntax-only -verify %s 
+// RUN: clang-cc -fsyntax-only -verify %s 
 namespace A { // expected-note 2 {{previous definition is here}}
   int A;
   void f() { A = 0; }