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/function-decls.c b/test/Parser/function-decls.c
index 3493baa..28bb5c2 100644
--- a/test/Parser/function-decls.c
+++ b/test/Parser/function-decls.c
@@ -1,4 +1,4 @@
-/* RUN: clang %s -ast-print
+/* RUN: clang-cc %s -ast-print
  */
 
 void foo() {