Rename clang to clang-cc.

Tests and drivers updated, still need to shuffle dirs.

llvm-svn: 67602
diff --git a/clang/test/Parser/cxx0x-rvalue-reference.cpp b/clang/test/Parser/cxx0x-rvalue-reference.cpp
index 5736b79..389f2b9 100644
--- a/clang/test/Parser/cxx0x-rvalue-reference.cpp
+++ b/clang/test/Parser/cxx0x-rvalue-reference.cpp
@@ -1,4 +1,4 @@
-// RUN: clang -fsyntax-only -verify -std=c++0x %s
+// RUN: clang-cc -fsyntax-only -verify -std=c++0x %s
 
 int && r1(int &&a);