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/CodeGen/2008-07-30-redef-of-bitcasted-decl.c b/test/CodeGen/2008-07-30-redef-of-bitcasted-decl.c
index f7c2908..c374f8d 100644
--- a/test/CodeGen/2008-07-30-redef-of-bitcasted-decl.c
+++ b/test/CodeGen/2008-07-30-redef-of-bitcasted-decl.c
@@ -1,4 +1,4 @@
-// RUN: clang --emit-llvm -o - %s
+// RUN: clang-cc --emit-llvm -o - %s
 // <rdar://problem/6108358>
 
 /* For posterity, the issue here begins initial "char []" decl for