Rename clang to clang-cc.

Tests and drivers updated, still need to shuffle dirs.

llvm-svn: 67602
diff --git a/clang/test/Preprocessor/pragma_microsoft.c b/clang/test/Preprocessor/pragma_microsoft.c
index e05126d..81e90e3 100644
--- a/clang/test/Preprocessor/pragma_microsoft.c
+++ b/clang/test/Preprocessor/pragma_microsoft.c
@@ -1,4 +1,4 @@
-// RUN: clang %s -fsyntax-only -verify -fms-extensions
+// RUN: clang-cc %s -fsyntax-only -verify -fms-extensions
 
 // rdar://6495941