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/int-arith-convert.c b/test/Sema/int-arith-convert.c
index c2fad4b..5bbab7d 100644
--- a/test/Sema/int-arith-convert.c
+++ b/test/Sema/int-arith-convert.c
@@ -1,4 +1,4 @@
-// RUN: clang -triple=i686-linux-gnu -fsyntax-only -verify %s
+// RUN: clang-cc -triple=i686-linux-gnu -fsyntax-only -verify %s
 
 // Check types are the same through redeclaration
 unsigned long x;