Rename clang to clang-cc.

Tests and drivers updated, still need to shuffle dirs.

llvm-svn: 67602
diff --git a/clang/test/SemaTemplate/instantiate-expr-2.cpp b/clang/test/SemaTemplate/instantiate-expr-2.cpp
index b2c43ee..aa898dd 100644
--- a/clang/test/SemaTemplate/instantiate-expr-2.cpp
+++ b/clang/test/SemaTemplate/instantiate-expr-2.cpp
@@ -1,4 +1,4 @@
-// RUN: clang -fsyntax-only %s
+// RUN: clang-cc -fsyntax-only %s
 typedef char one_byte;
 typedef char (&two_bytes)[2];
 typedef char (&four_bytes)[4];