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/Parser/control-scope.c b/test/Parser/control-scope.c
index 4beed7e..7ffc6ac 100644
--- a/test/Parser/control-scope.c
+++ b/test/Parser/control-scope.c
@@ -1,5 +1,5 @@
-// RUN: clang %s -std=c90 -verify &&
-// RUN: clang %s -std=c99
+// RUN: clang-cc %s -std=c90 -verify &&
+// RUN: clang-cc %s -std=c99
 
 int f (int z) { 
   if (z + sizeof (enum {a}))        // expected-note {{previous definition is here}}